- Flat grade share
- 100.0%
- Ascent
- 0 m
- Climb density
- 0.0 m/km
- Descent
- 0 m
- Net elevation
- -0 m
- Max absolute grade
- 1.8%
- Fee
- Unavailable
As of
Flattest half marathons
The flattest half marathons, ranked from trusted raw-elevation route profiles across 191 qualifying races.
Ranking current as ofWhich race ranks first — and why is it Summer Breeze Half Marathon (San Leandro)?
Summer Breeze Half Marathon (San Leandro) leads this ranking on flat grade share (100.0%).
Compare Summer Breeze Half Marathon (San Leandro) vs Vale of York Half Marathon
| # | Race | Flat grade share | Ascent | Climb density | Descent | Net elevation | Max absolute grade | Fee | As of |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Summer Breeze Half Marathon (San Leandro) - california | 100.0% | 0 m | 0.0 m/km | 0 m | -0 m | 1.8% | Unavailable | |
| 2 | Vale of York Half Marathon - yorkshire | 100.0% | 27 m | 1.3 m/km | 27 m | 0 m | 1.8% | £28 | |
| 3 | Zürich Marathon Half Marathon - switzerland | 99.8% | 21 m | 1.0 m/km | 23 m | -2 m | 2.2% | Unavailable | |
| 4 | Bath & Bristol Railway Races Half Marathon - south-west | 99.7% | 33 m | 1.6 m/km | 33 m | 1 m | 2.4% | £46 | |
| 5 | ATW Bedford 10k & Half Marathon - east-of-england | 99.5% | 15 m | 0.7 m/km | 15 m | 0 m | 2.9% | Unavailable | |
| 6 | Naturosa Catania Marathon Half Marathon - italy | 99.3% | 11 m | 0.5 m/km | 12 m | -0 m | 3.1% | Unavailable | |
| 7 | Medio Maratón de Santander Half Marathon - spain | 98.0% | 28 m | 1.3 m/km | 28 m | -0 m | 3.2% | Unavailable | |
| 8 | The Woodlands Marathon Half Marathon - texas | 97.9% | 52 m | 2.5 m/km | 55 m | -3 m | 3.5% | Unavailable | |
| 9 | Novant Health Wilmington Marathon Half Marathon - north-carolina | 97.6% | 46 m | 2.2 m/km | 47 m | -0 m | 4.6% | Unavailable | |
| 10 | Tirol läuft (Innsbruck) Half Marathon - austria | 97.0% | 40 m | 1.9 m/km | 42 m | -2 m | 5.5% | Unavailable | |
| 11 | ZeroWind Romeo&Giulietta Run Half Marathon (Verona) - italy | 96.7% | 55 m | 2.6 m/km | 42 m | 12 m | 7.3% | Unavailable | |
| 12 | Mississippi River Marathon Half Marathon - mississippi | 96.4% | 36 m | 1.7 m/km | 36 m | 0 m | 6.1% | Unavailable | |
| 13 | Martian Invasion of Races Half Marathon - michigan | 96.1% | 58 m | 2.7 m/km | 58 m | 0 m | 5.4% | Unavailable | |
| 14 | Mizuno Swansea Half Marathon - wales | 96.0% | 44 m | 2.1 m/km | 44 m | -0 m | 5.6% | Unavailable | |
| 15 | Idaho Falls Marathon Half Marathon - idaho | 96.0% | 50 m | 2.4 m/km | 52 m | -3 m | 9.1% | Unavailable | |
| 16 | Great Smoky Mountains Half Marathon - tennessee | 95.6% | 99 m | 4.7 m/km | 35 m | 65 m | 7.4% | Unavailable | |
| 17 | NLB Ljubljana Marathon Half Marathon - slovenia | 94.6% | 53 m | 2.5 m/km | 52 m | 0 m | 3.9% | Unavailable | |
| 18 | Cheltenham Running Festival Half Marathon - south-west | 93.6% | 70 m | 3.3 m/km | 75 m | -5 m | 4.4% | £38 | |
| 19 | Vienna City Marathon Half Marathon - austria | 93.2% | 71 m | 3.4 m/km | 58 m | 13 m | 8.2% | Unavailable | |
| 20 | Hartlepool Half Marathon - north-east | 92.9% | 50 m | 2.4 m/km | 52 m | -2 m | 6.7% | Unavailable | |
| 21 | Bear Trail Half Marathon & 10K - delaware | 92.2% | 73 m | 3.5 m/km | 73 m | -0 m | 4.9% | Unavailable | |
| 22 | Maine Coast Marathon Half Marathon - maine | 92.1% | 68 m | 3.2 m/km | 67 m | 1 m | 8.0% | Unavailable | |
| 23 | Nagyerdei Terep Maraton (Debrecen) Half Marathon - hungary | 91.7% | 72 m | 3.4 m/km | 69 m | 3 m | 9.9% | Unavailable | |
| 24 | Haspa Marathon Hamburg Half Marathon - germany | 91.6% | 76 m | 3.6 m/km | 66 m | 11 m | 7.2% | Unavailable | |
| 25 | University of Charleston Marathon (Charleston, WV) Half Marathon - west-virginia | 91.1% | 74 m | 3.5 m/km | 74 m | 0 m | 7.0% | Unavailable | |
| 26 | Great North Run Half Marathon - north-east | 90.8% | 80 m | 3.8 m/km | 111 m | -32 m | 6.7% | £68 | |
| 27 | Parkway Subaru Battleship Half Marathon & GFL 10K|5K (Wilmington) - north-carolina | 90.7% | 84 m | 4.0 m/km | 84 m | 0 m | 7.0% | Unavailable | |
| 28 | Maratona di Pisa Half Marathon - italy | 90.6% | 72 m | 3.4 m/km | 67 m | 4 m | 5.6% | Unavailable | |
| 29 | Spurs Austin International Half (fka 3M Half Marathon) - texas | 90.6% | 42 m | 2.0 m/km | 143 m | -101 m | 8.1% | Unavailable | |
| 30 | Buffalo Stampede Half Marathon (Kearney) - nebraska | 90.2% | 75 m | 3.6 m/km | 78 m | -3 m | 7.0% | Unavailable | |
| 31 | Belfast City Marathon Half Marathon - northern-ireland | 90.1% | 75 m | 3.6 m/km | 75 m | 0 m | 5.9% | £42 | |
| 32 | Mein Freiburg Marathon Half Marathon - germany | 89.9% | 105 m | 5.0 m/km | 104 m | 1 m | 6.2% | Unavailable | |
| 33 | Indiana Women's Running Festival (Indy Women's Half Marathon), Carmel - indiana | 89.7% | 86 m | 4.1 m/km | 85 m | 0 m | 5.4% | Unavailable | |
| 34 | Bari Med Marathon Half Marathon - italy | 89.0% | 97 m | 4.6 m/km | 99 m | -3 m | 6.3% | Unavailable | |
| 35 | Belfast City Half Marathon - northern-ireland | 89.0% | 88 m | 4.2 m/km | 89 m | -0 m | 8.6% | £50 | |
| 36 | Charlotte Racefest at SouthPark Half Marathon and 10K - north-carolina | 88.8% | 70 m | 3.3 m/km | 59 m | 11 m | 15.6% | Unavailable | |
| 37 | Trieste Spring Run Half Marathon - italy | 88.5% | 63 m | 3.0 m/km | 134 m | -73 m | 20.7% | Unavailable | |
| 38 | Cambridge Half Marathon - east-of-england | 88.2% | 95 m | 4.5 m/km | 95 m | -0 m | 4.7% | Unavailable | |
| 39 | Cleveland Marathon Half Marathon - ohio | 87.9% | 102 m | 4.8 m/km | 102 m | -0 m | 11.9% | Unavailable | |
| 40 | Termal Bologna Marathon Half Marathon - italy | 87.6% | 121 m | 5.7 m/km | 103 m | 18 m | 11.5% | Unavailable | |
| 41 | MountainOne Steel Rail Races (Adams) Half Marathon - massachusetts | 87.5% | 114 m | 5.4 m/km | 114 m | -0 m | 10.6% | Unavailable | |
| 42 | Stormin' Norman Run Half Marathon - oklahoma | 87.1% | 94 m | 4.4 m/km | 94 m | -0 m | 7.4% | Unavailable | |
| 43 | The Fury Run (Stormin' Norman Run), Norman Half Marathon - oklahoma | 87.1% | 94 m | 4.4 m/km | 94 m | -0 m | 7.4% | Unavailable | |
| 44 | Debrecen Maraton Half Marathon - hungary | 86.8% | 94 m | 4.5 m/km | 94 m | 0 m | 5.6% | Unavailable | |
| 45 | Stuttgart-Lauf Half Marathon - germany | 86.7% | 100 m | 4.7 m/km | 100 m | -1 m | 9.8% | Unavailable | |
| 46 | Mercy Health Glass City Marathon Half Marathon - ohio | 86.4% | 92 m | 4.4 m/km | 88 m | 4 m | 6.2% | Unavailable | |
| 47 | Paavo Nurmi Marathon Half Marathon - finland | 85.7% | 91 m | 4.3 m/km | 92 m | -1 m | 9.1% | Unavailable | |
| 48 | Chester Half Marathon - north-west | 85.6% | 116 m | 5.5 m/km | 91 m | 25 m | 7.0% | Unavailable | |
| 49 | Goodyear Half Marathon & 10K (Akron) - ohio | 85.6% | 109 m | 5.2 m/km | 119 m | -9 m | 12.7% | Unavailable | |
| 50 | Allianz Richmond Marathon Half Marathon - virginia | 85.5% | 89 m | 4.2 m/km | 126 m | -37 m | 8.7% | Unavailable | |
| 51 | Greifenseelauf Uster Half Marathon - switzerland | 85.4% | 108 m | 5.1 m/km | 90 m | 18 m | 7.8% | Unavailable | |
| 52 | SwissCityMarathon – Lucerne Half Marathon - switzerland | 84.4% | 103 m | 4.9 m/km | 104 m | -2 m | 7.9% | Unavailable | |
| 53 | Toulouse Métropole Run Experience Half Marathon - france | 83.8% | 114 m | 5.4 m/km | 123 m | -10 m | 11.2% | Unavailable | |
| 54 | Run Leicester Half Marathon - east-midlands | 83.0% | 114 m | 5.4 m/km | 114 m | -0 m | 7.9% | £33 | |
| 55 | Reims Champagne Run Half Marathon - france | 83.0% | 103 m | 4.9 m/km | 105 m | -2 m | 4.9% | Unavailable | |
| 56 | Wilmslow Half Marathon - north-west | 82.3% | 111 m | 5.2 m/km | 114 m | -3 m | 5.9% | Unavailable | |
| 57 | Helsinki City Marathon Half Marathon - finland | 82.3% | 122 m | 5.8 m/km | 117 m | 6 m | 7.1% | Unavailable | |
| 58 | Amica Newport Marathon & Half Marathon - rhode-island | 82.0% | 119 m | 5.7 m/km | 119 m | 0 m | 8.1% | Unavailable | |
| 59 | David Cliff Wokingham Half Marathon - south-east | 81.8% | 117 m | 5.6 m/km | 117 m | -0 m | 5.8% | £43 | |
| 60 | City of Colleges Half Marathon - arkansas | 81.8% | 134 m | 6.3 m/km | 135 m | -0 m | 9.2% | Unavailable | |
| 61 | DRC's The Half (Dallas Running Club) Half Marathon - texas | 81.7% | 92 m | 4.4 m/km | 108 m | -16 m | 13.3% | Unavailable | |
| 62 | Colchester Half Marathon - east-of-england | 81.7% | 114 m | 5.4 m/km | 114 m | 0 m | 9.5% | £37 | |
| 63 | Madison Marathon (Madison, Wisconsin) Half Marathon - wisconsin | 81.6% | 112 m | 5.3 m/km | 106 m | 6 m | 8.7% | Unavailable | |
| 64 | YMCA Harrisburg Marathon, Half, and Relay Presented by Enders Insurance Half Marathon - pennsylvania | 81.4% | 112 m | 5.3 m/km | 113 m | -0 m | 11.1% | Unavailable | |
| 65 | Regensburg Marathon Half Marathon - germany | 81.1% | 116 m | 5.5 m/km | 116 m | 0 m | 9.5% | Unavailable | |
| 66 | Hyundai Meia Maratona Internacional do Porto Half Marathon - portugal | 80.9% | 150 m | 7.1 m/km | 150 m | 0 m | 50.0% | Unavailable | |
| 67 | Wallis Sands Half Marathon - new-hampshire | 80.8% | 128 m | 6.1 m/km | 129 m | 0 m | 12.8% | Unavailable | |
| 68 | Garmin New Forest Marathon Half Marathon - south-east | 80.7% | 122 m | 5.8 m/km | 122 m | 0 m | 5.1% | £54 | |
| 69 | Regeneron Great Limerick Run Half Marathon - ireland | 80.6% | 114 m | 5.4 m/km | 117 m | -3 m | 5.4% | Unavailable | |
| 70 | Wisconsin Lakeside Half Marathon & 5K (Monona) - wisconsin | 79.5% | 126 m | 6.0 m/km | 127 m | -0 m | 14.6% | Unavailable | |
| 71 | Göteborgsvarvet Half Marathon - sweden | 79.5% | 131 m | 6.2 m/km | 133 m | -2 m | 7.6% | Unavailable | |
| 72 | Trondheim Maraton Half Marathon - norway | 78.7% | 127 m | 6.0 m/km | 125 m | 1 m | 8.3% | Unavailable | |
| 73 | Generali Genève Marathon Half Marathon - switzerland | 78.7% | 94 m | 4.4 m/km | 147 m | -54 m | 7.0% | Unavailable | |
| 74 | Rimi Riga Marathon Half Marathon - latvia | 78.5% | 135 m | 6.4 m/km | 134 m | 1 m | 18.7% | Unavailable | |
| 75 | Sioux Falls Skedaddle Half Marathon - south-dakota | 77.9% | 133 m | 6.3 m/km | 140 m | -7 m | 13.3% | Unavailable | |
| 76 | OhioHealth Capital City Half & Quarter Marathon (Columbus) Half Marathon - ohio | 77.7% | 142 m | 6.7 m/km | 142 m | 0 m | 14.9% | Unavailable | |
| 77 | Endurancelife Suffolk (Dunwich) Half Marathon - east-of-england | 77.7% | 123 m | 5.7 m/km | 124 m | 0 m | 11.0% | £47 | |
| 78 | Zurich Rock 'n' Roll Running Series Madrid Half Marathon - spain | 77.3% | 124 m | 5.9 m/km | 151 m | -26 m | 11.2% | Unavailable | |
| 79 | Maine Marathon (Portland) Half Marathon - maine | 77.3% | 133 m | 6.3 m/km | 133 m | 0 m | 9.8% | Unavailable | |
| 80 | Bozeman Half Marathon & 10K - montana | 77.1% | 67 m | 3.2 m/km | 249 m | -182 m | 6.7% | Unavailable | |
| 81 | Michelob Ultra El Paso Marathon Half Marathon - texas | 76.9% | 151 m | 7.2 m/km | 150 m | 1 m | 9.4% | Unavailable | |
| 82 | Marathon des Alpes-Maritimes Nice-Cannes Half Marathon - france | 76.7% | 119 m | 5.9 m/km | 121 m | -2 m | 11.7% | Unavailable | |
| 83 | Southampton Marathon Half Marathon - south-east | 76.6% | 151 m | 7.1 m/km | 136 m | 15 m | 12.4% | Unavailable | |
| 84 | Midnattssolmaraton (Midnight Sun Marathon), Tromsø Half Marathon - norway | 76.3% | 148 m | 7.0 m/km | 147 m | 2 m | 7.5% | Unavailable | |
| 85 | Courses de Strasbourg Eurométropole Half Marathon - france | 76.1% | 143 m | 6.8 m/km | 136 m | 7 m | 8.9% | Unavailable | |
| 86 | Weymouth Half Marathon - south-west | 75.6% | 146 m | 6.9 m/km | 146 m | -1 m | 9.2% | £41 | |
| 87 | The Original Las Vegas Marathon Half Marathon - nevada | 75.4% | 164 m | 7.8 m/km | 164 m | 0 m | 11.9% | Unavailable | |
| 88 | Omaha Marathon Half Marathon - nebraska | 75.3% | 150 m | 7.1 m/km | 151 m | -1 m | 11.5% | Unavailable | |
| 89 | Cajun Country Run Half Marathon - louisiana | 75.3% | 147 m | 7.0 m/km | 147 m | 0 m | 9.5% | Unavailable | |
| 90 | Windermere Marathon (Spokane) Half Marathon - washington | 74.6% | 140 m | 6.6 m/km | 170 m | -30 m | 13.5% | Unavailable | |
| 91 | Marshall University Marathon Half Marathon - west-virginia | 73.8% | 187 m | 8.9 m/km | 189 m | -2 m | 18.8% | Unavailable | |
| 92 | PeaceHealth Appletree Marathon Half Marathon - washington | 73.5% | 147 m | 7.0 m/km | 147 m | 1 m | 8.0% | Unavailable | |
| 93 | Montpellier Run Festival Half Marathon - france | 72.8% | 166 m | 7.9 m/km | 154 m | 12 m | 9.7% | Unavailable | |
| 94 | Sioux Falls Marathon Half Marathon - south-dakota | 72.6% | 149 m | 7.1 m/km | 151 m | -2 m | 8.0% | Unavailable | |
| 95 | Büchl Éjszakai Félmaraton (Győr) Half Marathon - hungary | 72.6% | 144 m | 6.8 m/km | 143 m | 1 m | 7.2% | Unavailable | |
| 96 | DNB Oslo Marathon Half Marathon - norway | 72.1% | 153 m | 7.2 m/km | 153 m | -0 m | 6.5% | Unavailable | |
| 97 | Albany COMBOS Marathon & Half Marathon - georgia | 72.0% | 154 m | 7.3 m/km | 160 m | -7 m | 5.7% | Unavailable | |
| 98 | Hoag OC Marathon Running Festival Half Marathon - california | 71.8% | 125 m | 5.9 m/km | 157 m | -32 m | 7.9% | Unavailable | |
| 99 | RAD Half Marathon & 10K (Asheville) - north-carolina | 71.7% | 135 m | 6.4 m/km | 206 m | -71 m | 11.9% | Unavailable | |
| 100 | Lake Monona 20K & 5K (Monona) Half Marathon - wisconsin | 71.5% | 153 m | 7.7 m/km | 153 m | 0 m | 9.9% | Unavailable |
Vale of York Half Marathonyorkshire
- Flat grade share
- 100.0%
- Ascent
- 27 m
- Climb density
- 1.3 m/km
- Descent
- 27 m
- Net elevation
- 0 m
- Max absolute grade
- 1.8%
- Fee
- £28
As of
Zürich Marathon Half Marathonswitzerland
- Flat grade share
- 99.8%
- Ascent
- 21 m
- Climb density
- 1.0 m/km
- Descent
- 23 m
- Net elevation
- -2 m
- Max absolute grade
- 2.2%
- Fee
- Unavailable
As of
- Flat grade share
- 99.7%
- Ascent
- 33 m
- Climb density
- 1.6 m/km
- Descent
- 33 m
- Net elevation
- 1 m
- Max absolute grade
- 2.4%
- Fee
- £46
As of
ATW Bedford 10k & Half Marathoneast-of-england
- Flat grade share
- 99.5%
- Ascent
- 15 m
- Climb density
- 0.7 m/km
- Descent
- 15 m
- Net elevation
- 0 m
- Max absolute grade
- 2.9%
- Fee
- Unavailable
As of
- Flat grade share
- 99.3%
- Ascent
- 11 m
- Climb density
- 0.5 m/km
- Descent
- 12 m
- Net elevation
- -0 m
- Max absolute grade
- 3.1%
- Fee
- Unavailable
As of
- Flat grade share
- 98.0%
- Ascent
- 28 m
- Climb density
- 1.3 m/km
- Descent
- 28 m
- Net elevation
- -0 m
- Max absolute grade
- 3.2%
- Fee
- Unavailable
As of
- Flat grade share
- 97.9%
- Ascent
- 52 m
- Climb density
- 2.5 m/km
- Descent
- 55 m
- Net elevation
- -3 m
- Max absolute grade
- 3.5%
- Fee
- Unavailable
As of
Novant Health Wilmington Marathon Half Marathonnorth-carolina
- Flat grade share
- 97.6%
- Ascent
- 46 m
- Climb density
- 2.2 m/km
- Descent
- 47 m
- Net elevation
- -0 m
- Max absolute grade
- 4.6%
- Fee
- Unavailable
As of
- Flat grade share
- 97.0%
- Ascent
- 40 m
- Climb density
- 1.9 m/km
- Descent
- 42 m
- Net elevation
- -2 m
- Max absolute grade
- 5.5%
- Fee
- Unavailable
As of
- Flat grade share
- 96.7%
- Ascent
- 55 m
- Climb density
- 2.6 m/km
- Descent
- 42 m
- Net elevation
- 12 m
- Max absolute grade
- 7.3%
- Fee
- Unavailable
As of
Mississippi River Marathon Half Marathonmississippi
- Flat grade share
- 96.4%
- Ascent
- 36 m
- Climb density
- 1.7 m/km
- Descent
- 36 m
- Net elevation
- 0 m
- Max absolute grade
- 6.1%
- Fee
- Unavailable
As of
- Flat grade share
- 96.1%
- Ascent
- 58 m
- Climb density
- 2.7 m/km
- Descent
- 58 m
- Net elevation
- 0 m
- Max absolute grade
- 5.4%
- Fee
- Unavailable
As of
- Flat grade share
- 96.0%
- Ascent
- 44 m
- Climb density
- 2.1 m/km
- Descent
- 44 m
- Net elevation
- -0 m
- Max absolute grade
- 5.6%
- Fee
- Unavailable
As of
- Flat grade share
- 96.0%
- Ascent
- 50 m
- Climb density
- 2.4 m/km
- Descent
- 52 m
- Net elevation
- -3 m
- Max absolute grade
- 9.1%
- Fee
- Unavailable
As of
Great Smoky Mountains Half Marathontennessee
- Flat grade share
- 95.6%
- Ascent
- 99 m
- Climb density
- 4.7 m/km
- Descent
- 35 m
- Net elevation
- 65 m
- Max absolute grade
- 7.4%
- Fee
- Unavailable
As of
- Flat grade share
- 94.6%
- Ascent
- 53 m
- Climb density
- 2.5 m/km
- Descent
- 52 m
- Net elevation
- 0 m
- Max absolute grade
- 3.9%
- Fee
- Unavailable
As of
- Flat grade share
- 93.6%
- Ascent
- 70 m
- Climb density
- 3.3 m/km
- Descent
- 75 m
- Net elevation
- -5 m
- Max absolute grade
- 4.4%
- Fee
- £38
As of
- Flat grade share
- 93.2%
- Ascent
- 71 m
- Climb density
- 3.4 m/km
- Descent
- 58 m
- Net elevation
- 13 m
- Max absolute grade
- 8.2%
- Fee
- Unavailable
As of
Hartlepool Half Marathonnorth-east
- Flat grade share
- 92.9%
- Ascent
- 50 m
- Climb density
- 2.4 m/km
- Descent
- 52 m
- Net elevation
- -2 m
- Max absolute grade
- 6.7%
- Fee
- Unavailable
As of
Bear Trail Half Marathon & 10Kdelaware
- Flat grade share
- 92.2%
- Ascent
- 73 m
- Climb density
- 3.5 m/km
- Descent
- 73 m
- Net elevation
- -0 m
- Max absolute grade
- 4.9%
- Fee
- Unavailable
As of
- Flat grade share
- 92.1%
- Ascent
- 68 m
- Climb density
- 3.2 m/km
- Descent
- 67 m
- Net elevation
- 1 m
- Max absolute grade
- 8.0%
- Fee
- Unavailable
As of
- Flat grade share
- 91.7%
- Ascent
- 72 m
- Climb density
- 3.4 m/km
- Descent
- 69 m
- Net elevation
- 3 m
- Max absolute grade
- 9.9%
- Fee
- Unavailable
As of
- Flat grade share
- 91.6%
- Ascent
- 76 m
- Climb density
- 3.6 m/km
- Descent
- 66 m
- Net elevation
- 11 m
- Max absolute grade
- 7.2%
- Fee
- Unavailable
As of
- Flat grade share
- 91.1%
- Ascent
- 74 m
- Climb density
- 3.5 m/km
- Descent
- 74 m
- Net elevation
- 0 m
- Max absolute grade
- 7.0%
- Fee
- Unavailable
As of
Great North Run Half Marathonnorth-east
- Flat grade share
- 90.8%
- Ascent
- 80 m
- Climb density
- 3.8 m/km
- Descent
- 111 m
- Net elevation
- -32 m
- Max absolute grade
- 6.7%
- Fee
- £68
As of
- Flat grade share
- 90.7%
- Ascent
- 84 m
- Climb density
- 4.0 m/km
- Descent
- 84 m
- Net elevation
- 0 m
- Max absolute grade
- 7.0%
- Fee
- Unavailable
As of
- Flat grade share
- 90.6%
- Ascent
- 72 m
- Climb density
- 3.4 m/km
- Descent
- 67 m
- Net elevation
- 4 m
- Max absolute grade
- 5.6%
- Fee
- Unavailable
As of
- Flat grade share
- 90.6%
- Ascent
- 42 m
- Climb density
- 2.0 m/km
- Descent
- 143 m
- Net elevation
- -101 m
- Max absolute grade
- 8.1%
- Fee
- Unavailable
As of
- Flat grade share
- 90.2%
- Ascent
- 75 m
- Climb density
- 3.6 m/km
- Descent
- 78 m
- Net elevation
- -3 m
- Max absolute grade
- 7.0%
- Fee
- Unavailable
As of
Belfast City Marathon Half Marathonnorthern-ireland
- Flat grade share
- 90.1%
- Ascent
- 75 m
- Climb density
- 3.6 m/km
- Descent
- 75 m
- Net elevation
- 0 m
- Max absolute grade
- 5.9%
- Fee
- £42
As of
- Flat grade share
- 89.9%
- Ascent
- 105 m
- Climb density
- 5.0 m/km
- Descent
- 104 m
- Net elevation
- 1 m
- Max absolute grade
- 6.2%
- Fee
- Unavailable
As of
- Flat grade share
- 89.7%
- Ascent
- 86 m
- Climb density
- 4.1 m/km
- Descent
- 85 m
- Net elevation
- 0 m
- Max absolute grade
- 5.4%
- Fee
- Unavailable
As of
- Flat grade share
- 89.0%
- Ascent
- 97 m
- Climb density
- 4.6 m/km
- Descent
- 99 m
- Net elevation
- -3 m
- Max absolute grade
- 6.3%
- Fee
- Unavailable
As of
Belfast City Half Marathonnorthern-ireland
- Flat grade share
- 89.0%
- Ascent
- 88 m
- Climb density
- 4.2 m/km
- Descent
- 89 m
- Net elevation
- -0 m
- Max absolute grade
- 8.6%
- Fee
- £50
As of
Charlotte Racefest at SouthPark Half Marathon and 10Knorth-carolina
- Flat grade share
- 88.8%
- Ascent
- 70 m
- Climb density
- 3.3 m/km
- Descent
- 59 m
- Net elevation
- 11 m
- Max absolute grade
- 15.6%
- Fee
- Unavailable
As of
- Flat grade share
- 88.5%
- Ascent
- 63 m
- Climb density
- 3.0 m/km
- Descent
- 134 m
- Net elevation
- -73 m
- Max absolute grade
- 20.7%
- Fee
- Unavailable
As of
Cambridge Half Marathoneast-of-england
- Flat grade share
- 88.2%
- Ascent
- 95 m
- Climb density
- 4.5 m/km
- Descent
- 95 m
- Net elevation
- -0 m
- Max absolute grade
- 4.7%
- Fee
- Unavailable
As of
- Flat grade share
- 87.9%
- Ascent
- 102 m
- Climb density
- 4.8 m/km
- Descent
- 102 m
- Net elevation
- -0 m
- Max absolute grade
- 11.9%
- Fee
- Unavailable
As of
- Flat grade share
- 87.6%
- Ascent
- 121 m
- Climb density
- 5.7 m/km
- Descent
- 103 m
- Net elevation
- 18 m
- Max absolute grade
- 11.5%
- Fee
- Unavailable
As of
MountainOne Steel Rail Races (Adams) Half Marathonmassachusetts
- Flat grade share
- 87.5%
- Ascent
- 114 m
- Climb density
- 5.4 m/km
- Descent
- 114 m
- Net elevation
- -0 m
- Max absolute grade
- 10.6%
- Fee
- Unavailable
As of
- Flat grade share
- 87.1%
- Ascent
- 94 m
- Climb density
- 4.4 m/km
- Descent
- 94 m
- Net elevation
- -0 m
- Max absolute grade
- 7.4%
- Fee
- Unavailable
As of
- Flat grade share
- 87.1%
- Ascent
- 94 m
- Climb density
- 4.4 m/km
- Descent
- 94 m
- Net elevation
- -0 m
- Max absolute grade
- 7.4%
- Fee
- Unavailable
As of
- Flat grade share
- 86.8%
- Ascent
- 94 m
- Climb density
- 4.5 m/km
- Descent
- 94 m
- Net elevation
- 0 m
- Max absolute grade
- 5.6%
- Fee
- Unavailable
As of
Stuttgart-Lauf Half Marathongermany
- Flat grade share
- 86.7%
- Ascent
- 100 m
- Climb density
- 4.7 m/km
- Descent
- 100 m
- Net elevation
- -1 m
- Max absolute grade
- 9.8%
- Fee
- Unavailable
As of
- Flat grade share
- 86.4%
- Ascent
- 92 m
- Climb density
- 4.4 m/km
- Descent
- 88 m
- Net elevation
- 4 m
- Max absolute grade
- 6.2%
- Fee
- Unavailable
As of
- Flat grade share
- 85.7%
- Ascent
- 91 m
- Climb density
- 4.3 m/km
- Descent
- 92 m
- Net elevation
- -1 m
- Max absolute grade
- 9.1%
- Fee
- Unavailable
As of
Chester Half Marathonnorth-west
- Flat grade share
- 85.6%
- Ascent
- 116 m
- Climb density
- 5.5 m/km
- Descent
- 91 m
- Net elevation
- 25 m
- Max absolute grade
- 7.0%
- Fee
- Unavailable
As of
- Flat grade share
- 85.6%
- Ascent
- 109 m
- Climb density
- 5.2 m/km
- Descent
- 119 m
- Net elevation
- -9 m
- Max absolute grade
- 12.7%
- Fee
- Unavailable
As of
- Flat grade share
- 85.5%
- Ascent
- 89 m
- Climb density
- 4.2 m/km
- Descent
- 126 m
- Net elevation
- -37 m
- Max absolute grade
- 8.7%
- Fee
- Unavailable
As of
Greifenseelauf Uster Half Marathonswitzerland
- Flat grade share
- 85.4%
- Ascent
- 108 m
- Climb density
- 5.1 m/km
- Descent
- 90 m
- Net elevation
- 18 m
- Max absolute grade
- 7.8%
- Fee
- Unavailable
As of
SwissCityMarathon – Lucerne Half Marathonswitzerland
- Flat grade share
- 84.4%
- Ascent
- 103 m
- Climb density
- 4.9 m/km
- Descent
- 104 m
- Net elevation
- -2 m
- Max absolute grade
- 7.9%
- Fee
- Unavailable
As of
- Flat grade share
- 83.8%
- Ascent
- 114 m
- Climb density
- 5.4 m/km
- Descent
- 123 m
- Net elevation
- -10 m
- Max absolute grade
- 11.2%
- Fee
- Unavailable
As of
Run Leicester Half Marathoneast-midlands
- Flat grade share
- 83.0%
- Ascent
- 114 m
- Climb density
- 5.4 m/km
- Descent
- 114 m
- Net elevation
- -0 m
- Max absolute grade
- 7.9%
- Fee
- £33
As of
- Flat grade share
- 83.0%
- Ascent
- 103 m
- Climb density
- 4.9 m/km
- Descent
- 105 m
- Net elevation
- -2 m
- Max absolute grade
- 4.9%
- Fee
- Unavailable
As of
Wilmslow Half Marathonnorth-west
- Flat grade share
- 82.3%
- Ascent
- 111 m
- Climb density
- 5.2 m/km
- Descent
- 114 m
- Net elevation
- -3 m
- Max absolute grade
- 5.9%
- Fee
- Unavailable
As of
- Flat grade share
- 82.3%
- Ascent
- 122 m
- Climb density
- 5.8 m/km
- Descent
- 117 m
- Net elevation
- 6 m
- Max absolute grade
- 7.1%
- Fee
- Unavailable
As of
Amica Newport Marathon & Half Marathonrhode-island
- Flat grade share
- 82.0%
- Ascent
- 119 m
- Climb density
- 5.7 m/km
- Descent
- 119 m
- Net elevation
- 0 m
- Max absolute grade
- 8.1%
- Fee
- Unavailable
As of
David Cliff Wokingham Half Marathonsouth-east
- Flat grade share
- 81.8%
- Ascent
- 117 m
- Climb density
- 5.6 m/km
- Descent
- 117 m
- Net elevation
- -0 m
- Max absolute grade
- 5.8%
- Fee
- £43
As of
City of Colleges Half Marathonarkansas
- Flat grade share
- 81.8%
- Ascent
- 134 m
- Climb density
- 6.3 m/km
- Descent
- 135 m
- Net elevation
- -0 m
- Max absolute grade
- 9.2%
- Fee
- Unavailable
As of
- Flat grade share
- 81.7%
- Ascent
- 92 m
- Climb density
- 4.4 m/km
- Descent
- 108 m
- Net elevation
- -16 m
- Max absolute grade
- 13.3%
- Fee
- Unavailable
As of
Colchester Half Marathoneast-of-england
- Flat grade share
- 81.7%
- Ascent
- 114 m
- Climb density
- 5.4 m/km
- Descent
- 114 m
- Net elevation
- 0 m
- Max absolute grade
- 9.5%
- Fee
- £37
As of
- Flat grade share
- 81.6%
- Ascent
- 112 m
- Climb density
- 5.3 m/km
- Descent
- 106 m
- Net elevation
- 6 m
- Max absolute grade
- 8.7%
- Fee
- Unavailable
As of
- Flat grade share
- 81.4%
- Ascent
- 112 m
- Climb density
- 5.3 m/km
- Descent
- 113 m
- Net elevation
- -0 m
- Max absolute grade
- 11.1%
- Fee
- Unavailable
As of
- Flat grade share
- 81.1%
- Ascent
- 116 m
- Climb density
- 5.5 m/km
- Descent
- 116 m
- Net elevation
- 0 m
- Max absolute grade
- 9.5%
- Fee
- Unavailable
As of
- Flat grade share
- 80.9%
- Ascent
- 150 m
- Climb density
- 7.1 m/km
- Descent
- 150 m
- Net elevation
- 0 m
- Max absolute grade
- 50.0%
- Fee
- Unavailable
As of
Wallis Sands Half Marathonnew-hampshire
- Flat grade share
- 80.8%
- Ascent
- 128 m
- Climb density
- 6.1 m/km
- Descent
- 129 m
- Net elevation
- 0 m
- Max absolute grade
- 12.8%
- Fee
- Unavailable
As of
Garmin New Forest Marathon Half Marathonsouth-east
- Flat grade share
- 80.7%
- Ascent
- 122 m
- Climb density
- 5.8 m/km
- Descent
- 122 m
- Net elevation
- 0 m
- Max absolute grade
- 5.1%
- Fee
- £54
As of
- Flat grade share
- 80.6%
- Ascent
- 114 m
- Climb density
- 5.4 m/km
- Descent
- 117 m
- Net elevation
- -3 m
- Max absolute grade
- 5.4%
- Fee
- Unavailable
As of
- Flat grade share
- 79.5%
- Ascent
- 126 m
- Climb density
- 6.0 m/km
- Descent
- 127 m
- Net elevation
- -0 m
- Max absolute grade
- 14.6%
- Fee
- Unavailable
As of
- Flat grade share
- 79.5%
- Ascent
- 131 m
- Climb density
- 6.2 m/km
- Descent
- 133 m
- Net elevation
- -2 m
- Max absolute grade
- 7.6%
- Fee
- Unavailable
As of
- Flat grade share
- 78.7%
- Ascent
- 127 m
- Climb density
- 6.0 m/km
- Descent
- 125 m
- Net elevation
- 1 m
- Max absolute grade
- 8.3%
- Fee
- Unavailable
As of
Generali Genève Marathon Half Marathonswitzerland
- Flat grade share
- 78.7%
- Ascent
- 94 m
- Climb density
- 4.4 m/km
- Descent
- 147 m
- Net elevation
- -54 m
- Max absolute grade
- 7.0%
- Fee
- Unavailable
As of
- Flat grade share
- 78.5%
- Ascent
- 135 m
- Climb density
- 6.4 m/km
- Descent
- 134 m
- Net elevation
- 1 m
- Max absolute grade
- 18.7%
- Fee
- Unavailable
As of
Sioux Falls Skedaddle Half Marathonsouth-dakota
- Flat grade share
- 77.9%
- Ascent
- 133 m
- Climb density
- 6.3 m/km
- Descent
- 140 m
- Net elevation
- -7 m
- Max absolute grade
- 13.3%
- Fee
- Unavailable
As of
- Flat grade share
- 77.7%
- Ascent
- 142 m
- Climb density
- 6.7 m/km
- Descent
- 142 m
- Net elevation
- 0 m
- Max absolute grade
- 14.9%
- Fee
- Unavailable
As of
Endurancelife Suffolk (Dunwich) Half Marathoneast-of-england
- Flat grade share
- 77.7%
- Ascent
- 123 m
- Climb density
- 5.7 m/km
- Descent
- 124 m
- Net elevation
- 0 m
- Max absolute grade
- 11.0%
- Fee
- £47
As of
- Flat grade share
- 77.3%
- Ascent
- 124 m
- Climb density
- 5.9 m/km
- Descent
- 151 m
- Net elevation
- -26 m
- Max absolute grade
- 11.2%
- Fee
- Unavailable
As of
- Flat grade share
- 77.3%
- Ascent
- 133 m
- Climb density
- 6.3 m/km
- Descent
- 133 m
- Net elevation
- 0 m
- Max absolute grade
- 9.8%
- Fee
- Unavailable
As of
Bozeman Half Marathon & 10Kmontana
- Flat grade share
- 77.1%
- Ascent
- 67 m
- Climb density
- 3.2 m/km
- Descent
- 249 m
- Net elevation
- -182 m
- Max absolute grade
- 6.7%
- Fee
- Unavailable
As of
- Flat grade share
- 76.9%
- Ascent
- 151 m
- Climb density
- 7.2 m/km
- Descent
- 150 m
- Net elevation
- 1 m
- Max absolute grade
- 9.4%
- Fee
- Unavailable
As of
- Flat grade share
- 76.7%
- Ascent
- 119 m
- Climb density
- 5.9 m/km
- Descent
- 121 m
- Net elevation
- -2 m
- Max absolute grade
- 11.7%
- Fee
- Unavailable
As of
Southampton Marathon Half Marathonsouth-east
- Flat grade share
- 76.6%
- Ascent
- 151 m
- Climb density
- 7.1 m/km
- Descent
- 136 m
- Net elevation
- 15 m
- Max absolute grade
- 12.4%
- Fee
- Unavailable
As of
- Flat grade share
- 76.3%
- Ascent
- 148 m
- Climb density
- 7.0 m/km
- Descent
- 147 m
- Net elevation
- 2 m
- Max absolute grade
- 7.5%
- Fee
- Unavailable
As of
- Flat grade share
- 76.1%
- Ascent
- 143 m
- Climb density
- 6.8 m/km
- Descent
- 136 m
- Net elevation
- 7 m
- Max absolute grade
- 8.9%
- Fee
- Unavailable
As of
Weymouth Half Marathonsouth-west
- Flat grade share
- 75.6%
- Ascent
- 146 m
- Climb density
- 6.9 m/km
- Descent
- 146 m
- Net elevation
- -1 m
- Max absolute grade
- 9.2%
- Fee
- £41
As of
- Flat grade share
- 75.4%
- Ascent
- 164 m
- Climb density
- 7.8 m/km
- Descent
- 164 m
- Net elevation
- 0 m
- Max absolute grade
- 11.9%
- Fee
- Unavailable
As of
Omaha Marathon Half Marathonnebraska
- Flat grade share
- 75.3%
- Ascent
- 150 m
- Climb density
- 7.1 m/km
- Descent
- 151 m
- Net elevation
- -1 m
- Max absolute grade
- 11.5%
- Fee
- Unavailable
As of
Cajun Country Run Half Marathonlouisiana
- Flat grade share
- 75.3%
- Ascent
- 147 m
- Climb density
- 7.0 m/km
- Descent
- 147 m
- Net elevation
- 0 m
- Max absolute grade
- 9.5%
- Fee
- Unavailable
As of
- Flat grade share
- 74.6%
- Ascent
- 140 m
- Climb density
- 6.6 m/km
- Descent
- 170 m
- Net elevation
- -30 m
- Max absolute grade
- 13.5%
- Fee
- Unavailable
As of
Marshall University Marathon Half Marathonwest-virginia
- Flat grade share
- 73.8%
- Ascent
- 187 m
- Climb density
- 8.9 m/km
- Descent
- 189 m
- Net elevation
- -2 m
- Max absolute grade
- 18.8%
- Fee
- Unavailable
As of
- Flat grade share
- 73.5%
- Ascent
- 147 m
- Climb density
- 7.0 m/km
- Descent
- 147 m
- Net elevation
- 1 m
- Max absolute grade
- 8.0%
- Fee
- Unavailable
As of
- Flat grade share
- 72.8%
- Ascent
- 166 m
- Climb density
- 7.9 m/km
- Descent
- 154 m
- Net elevation
- 12 m
- Max absolute grade
- 9.7%
- Fee
- Unavailable
As of
Sioux Falls Marathon Half Marathonsouth-dakota
- Flat grade share
- 72.6%
- Ascent
- 149 m
- Climb density
- 7.1 m/km
- Descent
- 151 m
- Net elevation
- -2 m
- Max absolute grade
- 8.0%
- Fee
- Unavailable
As of
- Flat grade share
- 72.6%
- Ascent
- 144 m
- Climb density
- 6.8 m/km
- Descent
- 143 m
- Net elevation
- 1 m
- Max absolute grade
- 7.2%
- Fee
- Unavailable
As of
- Flat grade share
- 72.1%
- Ascent
- 153 m
- Climb density
- 7.2 m/km
- Descent
- 153 m
- Net elevation
- -0 m
- Max absolute grade
- 6.5%
- Fee
- Unavailable
As of
- Flat grade share
- 72.0%
- Ascent
- 154 m
- Climb density
- 7.3 m/km
- Descent
- 160 m
- Net elevation
- -7 m
- Max absolute grade
- 5.7%
- Fee
- Unavailable
As of
- Flat grade share
- 71.8%
- Ascent
- 125 m
- Climb density
- 5.9 m/km
- Descent
- 157 m
- Net elevation
- -32 m
- Max absolute grade
- 7.9%
- Fee
- Unavailable
As of
RAD Half Marathon & 10K (Asheville)north-carolina
- Flat grade share
- 71.7%
- Ascent
- 135 m
- Climb density
- 6.4 m/km
- Descent
- 206 m
- Net elevation
- -71 m
- Max absolute grade
- 11.9%
- Fee
- Unavailable
As of
- Flat grade share
- 71.5%
- Ascent
- 153 m
- Climb density
- 7.7 m/km
- Descent
- 153 m
- Net elevation
- 0 m
- Max absolute grade
- 9.9%
- Fee
- Unavailable
As of
Showing the top 100 of 191 qualifying races; use the distance catalogue for the full searchable list. Scores are out of 100 when present; route, elevation and cost figures are shown in their natural units.
How we ranked these
Races are ranked by Flat grade share. Score metrics use methodology scoring-methodology-v1.0. Elevation rankings use only trusted raw-elevation course profiles. A ranking is only published when at least five races qualify, so the table is never padded with thin data.
Route maps for this ranking
Common questions
What is the flattest half marathons?
Summer Breeze Half Marathon (San Leandro) ranks first by flat grade share, from 191 qualifying races compared under our published methodology.