- GAP factor
- -381733777.5%
- Ascent
- 6,243 m
- Climb density
- 346.8 m/km
- Descent
- 6,239 m
- Net elevation
- 5 m
- Max absolute grade
- 5146.9%
As of
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The lowest gap factor others, ranked from trusted raw-elevation route profiles across 60 qualifying races.
Ranking current as ofSinks Canyon Rough and Tumble Trail Races leads this ranking on gap factor (-381733777.5%).
Compare Sinks Canyon Rough and Tumble Trail Races vs Crazylegs Classic 8K (Madison)
| # | Race | GAP factor | Ascent | Climb density | Descent | Net elevation | Max absolute grade | As of |
|---|---|---|---|---|---|---|---|---|
| 1 | Sinks Canyon Rough and Tumble Trail Races 18K - wyoming | -381733777.5% | 6,243 m | 346.8 m/km | 6,239 m | 5 m | 5146.9% | |
| 2 | Crazylegs Classic 8K (Madison) 2 Mile - wisconsin | -0.4% | 15 m | 4.8 m/km | 19 m | -4 m | 3.1% | |
| 3 | Bill Powers Memorial Firecracker 4-Miler (Brattleboro) 4 Mile - vermont | -0.2% | 91 m | 14.2 m/km | 130 m | -39 m | 19.2% | |
| 4 | Martian Invasion of Races 26K - michigan | 0.1% | 65 m | 2.5 m/km | 65 m | 0 m | 5.4% | |
| 5 | Regensburg Marathon 32K - germany | 0.1% | 92 m | 2.9 m/km | 91 m | 0 m | 6.4% | |
| 6 | Red, White and Blue Half Marathon - Shreveport 4 Mile - louisiana | 0.2% | 32 m | 5.0 m/km | 32 m | 0 m | 4.2% | |
| 7 | Tupelo Marathon 23K - mississippi | 0.4% | 135 m | 5.9 m/km | 134 m | 1 m | 7.1% | |
| 8 | Termal Bologna Marathon 30K - italy | 0.5% | 142 m | 4.7 m/km | 126 m | 16 m | 7.2% | |
| 9 | Büchl Éjszakai Félmaraton (Győr) 14K - hungary | 0.5% | 96 m | 6.8 m/km | 95 m | 1 m | 7.2% | |
| 10 | The Pistol Ultra (Alcoa) 32K - tennessee | 0.5% | 173 m | 5.4 m/km | 173 m | -0 m | 11.7% | |
| 11 | Courses de Strasbourg Eurométropole 31K - france | 0.7% | 232 m | 7.5 m/km | 225 m | 7 m | 12.8% | |
| 12 | SPARKASSE 3-Länder-Marathon (Bregenz) 11K - austria | 0.8% | 88 m | 8.1 m/km | 84 m | 3 m | 11.9% | |
| 13 | Annapolis Striders Metric Marathon (Harwood) 26K - maryland | 0.8% | 245 m | 9.4 m/km | 245 m | -0 m | 10.3% | |
| 14 | Lundaloppet 2.5 km - sweden | 0.9% | 16 m | 6.4 m/km | 13 m | 3 m | 5.6% | |
| 15 | TCS Lidingöloppet 30K - sweden | 1.4% | 372 m | 12.4 m/km | 377 m | -5 m | 13.2% | |
| 16 | Course de l'Escalade (Genève) 7.3 km - switzerland | 1.4% | 91 m | 12.4 m/km | 96 m | -4 m | 10.9% | |
| 17 | Bewl 15 (Wadhurst) 24K - south-east | 1.6% | 273 m | 11.3 m/km | 273 m | -0 m | 20.1% | |
| 18 | Plitvički maraton (Plitvice Marathon) 9K - croatia | 2.1% | 157 m | 17.4 m/km | 154 m | 2 m | 6.7% | |
| 19 | Otter Creek Trail Run (Mandan) 6K - north-dakota | 2.2% | 91 m | 15.7 m/km | 92 m | -1 m | 12.3% | |
| 20 | 6 sjöar (Uppsala) 5.5 km - sweden | 2.2% | 65 m | 11.8 m/km | 63 m | 3 m | 18.8% | |
| 21 | Behind the Rocks Ultra 30K - utah | 2.2% | 457 m | 15.2 m/km | 457 m | 0 m | 21.5% | |
| 22 | Spokane River Run 25K - washington | 2.3% | 326 m | 13.1 m/km | 326 m | 0 m | 21.0% | |
| 23 | The Skippo Trail Race 30K - missouri | 3.1% | 454 m | 15.1 m/km | 453 m | 0 m | 25.2% | |
| 24 | Telekom Vivicittá (Budapest) 7K - hungary | 3.3% | 136 m | 19.4 m/km | 136 m | 0 m | 17.3% | |
| 25 | The Maverick Peak District Trail (Bakewell) 28K - east-midlands | 4.3% | 589 m | 21.0 m/km | 589 m | 0 m | 24.9% | |
| 26 | Round Sheffield Run 25K - yorkshire | 4.9% | 574 m | 23.4 m/km | 575 m | -1 m | 35.2% | |
| 27 | NUTS Karhunkierros 36K - finland | 5.1% | 697 m | 19.6 m/km | 570 m | 127 m | 21.4% | |
| 28 | Endurancelife Coastal Trail Series - North York Moors (Ravenscar) 24K - yorkshire | 5.8% | 598 m | 24.8 m/km | 598 m | -0 m | 27.1% | |
| 29 | Volvic Volcanic Experience (VVX) 24K - france | 6.7% | 644 m | 26.8 m/km | 644 m | 0 m | 44.8% | |
| 30 | Kia Fjällmaraton (Fjällmaratonveckan), Årefjällen 27K - sweden | 7.2% | 869 m | 32.2 m/km | 996 m | -127 m | 30.6% | |
| 31 | Etape Bornholm 8.6 km - denmark | 8.6% | 222 m | 25.8 m/km | 154 m | 68 m | 19.7% | |
| 32 | Ethias 15 km de Liège Métropole 24K - belgium | 8.9% | 759 m | 31.6 m/km | 806 m | -47 m | 39.7% | |
| 33 | Douro Ultra Trail (Peso da Régua) 28K - portugal | 9.6% | 1,010 m | 36.1 m/km | 1,218 m | -208 m | 46.3% | |
| 34 | Escape from Prison Hill (Carson City) 11K - nevada | 10.9% | 407 m | 37.0 m/km | 403 m | 4 m | 30.3% | |
| 35 | Carson Canyons Super-K Trail Runs 6K - nevada | 11.3% | 256 m | 42.7 m/km | 253 m | 3 m | 25.7% | |
| 36 | Salomon Ultra-Trail Hungary 30K - hungary | 12.6% | 1,057 m | 35.5 m/km | 1,116 m | -59 m | 46.0% | |
| 37 | Slovenski gozdarski trail 34K - slovenia | 13.4% | 1,336 m | 39.3 m/km | 1,335 m | 1 m | 40.6% | |
| 38 | Dalmacija Ultra Trail 29K - croatia | 14.2% | 1,141 m | 39.2 m/km | 1,185 m | -44 m | 49.7% | |
| 39 | Sleeping Giant Trail Runs 25K - connecticut | 15.2% | 1,025 m | 41.0 m/km | 1,029 m | -4 m | 54.8% | |
| 40 | ROUT Classic 100 Miles (Rodopi Ultra Trail) 24K - greece | 18.0% | 1,075 m | 44.8 m/km | 1,027 m | 48 m | 58.1% | |
| 41 | Soča Outdoor Festival 34K - slovenia | 19.5% | 1,511 m | 44.3 m/km | 1,520 m | -9 m | 47.7% | |
| 42 | Wolf Creek Wrangle Trail Run 11K - wyoming | 20.5% | 485 m | 43.1 m/km | 484 m | 1 m | 60.7% | |
| 43 | Tenerife Bluetrail by UTMB 24K - spain | 22.1% | 1,219 m | 50.8 m/km | 1,907 m | -688 m | 54.4% | |
| 44 | Ultra Trail Učka 13K - croatia | 22.6% | 609 m | 46.8 m/km | 608 m | -0 m | 40.6% | |
| 45 | Garda Trentino Trail 29K - italy | 23.7% | 1,517 m | 53.0 m/km | 1,518 m | -0 m | 47.6% | |
| 46 | Sljemenski Maraton (Zagreb) 14K - croatia | 24.3% | 749 m | 53.5 m/km | 751 m | -2 m | 54.1% | |
| 47 | STE - Caravela Seguros Sintra Trail X'treme 33K - portugal | 24.8% | 1,820 m | 55.1 m/km | 1,820 m | -0 m | 50.0% | |
| 48 | Zagori Mountain Running (ZMR) 33K - greece | 25.9% | 1,955 m | 59.3 m/km | 1,959 m | -3 m | 43.5% | |
| 49 | adidas Innsbruck Alpine Trailrun Festival 38K - austria | 26.0% | 2,101 m | 55.6 m/km | 2,474 m | -372 m | 60.1% | |
| 50 | The North Face Grossglockner Ultra-Trail 37K - austria | 26.9% | 3,381 m | 91.4 m/km | 3,949 m | -568 m | 65.8% | |
| 51 | Ultra Trail Vipava Valley (UTVV), Ajdovščina 30K - slovenia | 29.6% | 1,697 m | 56.6 m/km | 1,697 m | 1 m | 59.1% | |
| 52 | Var Verdon Trail Canyon 24K - france | 33.1% | 1,468 m | 61.2 m/km | 1,464 m | 4 m | 54.2% | |
| 53 | The Arctic Triple // Lofoten Ultra-Trail 24K - norway | 34.2% | 1,305 m | 54.4 m/km | 1,317 m | -11 m | 91.0% | |
| 54 | Dolomiti Extreme Trail 35K - italy | 35.7% | 3,503 m | 100.1 m/km | 3,502 m | 1 m | 81.2% | |
| 55 | Podbrdo Trail Running Festival 23K - slovenia | 38.5% | 1,577 m | 68.6 m/km | 1,603 m | -26 m | 56.0% | |
| 56 | Marathon du Mont-Blanc, Chamonix 23K - france | 40.3% | 1,641 m | 71.3 m/km | 634 m | 1,007 m | 35.0% | |
| 57 | Stranda Fjord Trail Race 25K - norway | 44.8% | 1,901 m | 76.0 m/km | 1,911 m | -11 m | 70.3% | |
| 58 | Unicaja Ultra Sierra Nevada 25K - spain | 50.8% | 1,929 m | 77.2 m/km | 562 m | 1,368 m | 49.3% | |
| 59 | Chudy Wawrzyniec (Rajcza) 3K - poland | 96.0% | 387 m | 133.4 m/km | 19 m | 368 m | 43.4% | |
| 60 | Zegama-Aizkorri Mendi Maratoia 3K - spain | 302.9% | 937 m | 312.5 m/km | 7 m | 931 m | 67.5% |
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60 qualifying races in this ranking; use the distance catalogue to search the full distance list. Scores are out of 100 when present; route, elevation and cost figures are shown in their natural units.
Races are ranked by GAP factor. 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.
Sinks Canyon Rough and Tumble Trail Races 18K ranks first by gap factor, from 60 qualifying races compared under our published methodology.