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About RaceIndexOur methodologyData coverageCyclingTriathlon

Lowest ascent 10ks

The lowest ascent 10ks, ranked from trusted raw-elevation route profiles across 111 qualifying races.

Ranking current as of

Which race ranks first — and why is it Summer Breeze Half Marathon (San Leandro)?

Summer Breeze Half Marathon (San Leandro) leads this ranking on total ascent (0 m).

Compare Summer Breeze Half Marathon (San Leandro) vs Naturosa Catania Marathon

#RaceTotal ascentClimb densityDescentNet elevationMax absolute gradeAs of
1Summer Breeze Half Marathon (San Leandro) 10K - california0 m0.0 m/km0 m-0 m1.7%
2Naturosa Catania Marathon 10K - italy4 m0.4 m/km4 m-0 m0.7%
3Bath & Bristol Railway Races 10K - south-west7 m0.7 m/km6 m1 m2.6%
4ATW Bedford 10k & Half Marathon - east-of-england8 m0.8 m/km7 m0 m2.7%
5Vale of York Half Marathon 10K - yorkshire8 m0.8 m/km8 m-0 m1.0%
6Montana Marathon (Billings) 10K - montana13 m1.3 m/km64 m-51 m4.0%
7Zürich Marathon 10K - switzerland15 m1.5 m/km17 m-2 m2.2%
8Bozeman Half Marathon & 10K - montana17 m1.7 m/km121 m-104 m4.0%
9The Woodlands Marathon 10K - texas20 m2.0 m/km23 m-3 m3.7%
10St. Croix Crossing Half Marathon 10K - minnesota23 m2.3 m/km91 m-68 m10.4%
11SwissCityMarathon – Lucerne 10K - switzerland27 m2.7 m/km31 m-4 m4.1%
12Nagyerdei Terep Maraton (Debrecen) 10K - hungary29 m2.8 m/km31 m-3 m3.8%
13TBK Bank Quad Cities Marathon 10K - iowa29 m2.9 m/km28 m1 m6.4%
14Martian Invasion of Races 10K - michigan31 m3.1 m/km31 m0 m5.3%
15City of Colleges Half Marathon 10K - arkansas32 m3.2 m/km33 m-0 m2.8%
16Tirol läuft (Innsbruck) 10K - austria33 m3.3 m/km35 m-2 m5.6%
17Indiana Women's Running Festival (Indy Women's Half Marathon), Carmel 10K - indiana36 m3.6 m/km36 m-0 m5.5%
18Bear Trail Half Marathon & 10K - delaware36 m3.6 m/km37 m-0 m4.9%
19Garmin New Forest Marathon 10K - south-east40 m4.0 m/km41 m-2 m6.3%
20Toulouse Métropole Run Experience 10K - france40 m4.0 m/km50 m-10 m12.6%
21Wilmslow Half Marathon 10K - north-west40 m4.0 m/km43 m-3 m3.4%
22Paavo Nurmi Marathon 10K - finland42 m4.2 m/km42 m-1 m5.7%
23The Doncaster City 10K - yorkshire42 m4.2 m/km41 m0 m5.0%
24Madison Marathon (Madison, Wisconsin) 10K - wisconsin43 m4.3 m/km38 m4 m6.2%
25Debrecen Maraton 10K - hungary46 m4.4 m/km46 m0 m5.5%
26Cleveland Marathon 10K - ohio46 m4.6 m/km46 m0 m8.1%
27Reims Champagne Run 10K - france47 m4.7 m/km49 m-2 m4.5%
28Naisten Kymppi (Helsinki) 10K - finland48 m4.8 m/km47 m1 m6.4%
29Ukrop's Monument Avenue 10K (Richmond) - virginia49 m4.9 m/km43 m6 m5.9%
30Helvetia Half Marathon 10K - oregon51 m5.1 m/km49 m2 m5.4%
31NN Night Run Ostrava 10K - czechia51 m5.1 m/km54 m-3 m4.9%
32Trondheim Maraton 10K - norway51 m5.1 m/km51 m1 m9.0%
33Greifenseelauf Uster 10K - switzerland52 m5.2 m/km34 m18 m9.6%
34Parkway Subaru Battleship Half Marathon & GFL 10K|5K (Wilmington) - north-carolina52 m5.2 m/km52 m0 m7.6%
35Mein Freiburg Marathon 10K - germany54 m5.4 m/km52 m2 m6.4%
36The Original Las Vegas Marathon 10K - nevada55 m5.5 m/km56 m-0 m3.3%
37Regeneron Great Limerick Run 10K - ireland55 m5.7 m/km58 m-3 m5.4%
38Garmin Olathe Marathon in the Land of Oz 10K - kansas55 m5.5 m/km55 m0 m5.0%
39Etape Bornholm 10K - denmark56 m5.6 m/km62 m-6 m9.9%
40Marathon Vert Rennes 10K - france56 m5.6 m/km55 m1 m7.2%
41Chester Marathon 10K - north-west60 m6.0 m/km50 m11 m6.2%
42Cajun Country Run 10K - louisiana61 m6.1 m/km61 m-0 m10.7%
43Windermere Marathon (Spokane) 10K - washington62 m6.2 m/km62 m0 m5.0%
44Naptown Half Marathon & 10K/5K - maryland63 m6.3 m/km63 m-0 m9.3%
45Run Leicester 10K - east-midlands63 m6.3 m/km63 m-0 m5.6%
46Bay of Fundy International Marathon 10K - maine64 m6.4 m/km91 m-27 m9.1%
47Zurich Rock 'n' Roll Running Series Madrid 10K - spain66 m6.6 m/km93 m-26 m7.7%
48Bend Marathon and Half 10K - oregon68 m6.8 m/km68 m0 m10.2%
49Southampton Marathon 10K - south-east70 m7.0 m/km56 m14 m13.8%
50Lundaloppet 10K - sweden72 m7.2 m/km69 m3 m7.5%
51La Jolla Half Marathon, 10K & 5K - california76 m7.6 m/km197 m-121 m12.4%
52Thames Meander Marathon (London) 10K - london78 m7.8 m/km77 m0 m6.5%
53Athens Marathon. The Authentic 10K - greece79 m7.9 m/km83 m-4 m4.4%
54Altru Family YMCA Firecracker 5K & 10K Fun Run/Walk - north-dakota79 m7.9 m/km79 m-0 m8.8%
55Garstang 10K - north-west80 m8.0 m/km81 m-1 m5.8%
56Generali Genève Marathon 10K - switzerland81 m8.1 m/km129 m-48 m11.6%
57Fayetteville Half Marathon 10K - arkansas82 m8.2 m/km82 m0 m10.6%
58Flying Pig Marathon 10K - ohio82 m8.2 m/km83 m-1 m10.4%
59Lift Bridge Road Races 10K - minnesota84 m8.4 m/km55 m29 m12.9%
60BTC Vulcan Run 10K (Birmingham) - alabama84 m8.4 m/km84 m-0 m20.5%
61Rimi Riga Marathon 10K - latvia85 m8.5 m/km84 m1 m19.7%
62Cedar Rapids Marathon 10K - iowa85 m8.5 m/km86 m-0 m13.8%
63Endurancelife Suffolk (Dunwich) 10K - east-of-england88 m9.0 m/km89 m-1 m9.1%
64Clonakilty Waterfront Marathon 10K - ireland89 m8.9 m/km94 m-4 m12.3%
65Courses de Strasbourg Eurométropole 10K - france89 m8.9 m/km83 m6 m12.9%
66Gravel Worlds Run Series (Lincoln) 10K - nebraska90 m9.0 m/km90 m0 m6.7%
67RAD Half Marathon & 10K (Asheville) - north-carolina92 m9.2 m/km163 m-72 m10.3%
68Phoenix 10k & Half Marathon - arizona93 m9.3 m/km93 m0 m7.3%
69Montpellier Run Festival 10K - france94 m9.4 m/km82 m12 m9.9%
70St Albans Half Marathon 10K - east-of-england97 m9.7 m/km97 m0 m6.9%
71OTC Butte to Butte (Eugene) 10K - oregon99 m9.9 m/km133 m-34 m11.8%
72Run Madtown Half Marathon, 10K & 5K - wisconsin101 m10.1 m/km100 m1 m10.8%
73OhioHealth Capital City Half & Quarter Marathon (Columbus) 10K - ohio104 m9.8 m/km102 m1 m20.2%
74Ultra Trail Vipava Valley (UTVV), Ajdovščina 10K - slovenia110 m11.0 m/km110 m1 m14.5%
75Isle of Skye Half Marathon 10K - scotland112 m11.2 m/km144 m-31 m9.9%
76Middlebury Maple Run 10K - vermont116 m11.6 m/km116 m-0 m11.3%
77Run the Rainbow for Children's 10K - mississippi117 m11.7 m/km117 m0 m8.3%
78LIDL São Silvestre de Lisboa 10K - portugal119 m11.9 m/km119 m0 m13.6%
79DNB Oslo Marathon 10K - norway128 m12.8 m/km130 m-2 m13.3%
80Haulin' Aspen Trail Race 10K - oregon130 m12.4 m/km155 m-25 m10.9%
81Greene & Schultz Hoosier Half Marathon, 5 & 10K - indiana134 m13.4 m/km134 m0 m16.3%
82Juneteenth Half Marathon & 10K (Washington DC) - dc134 m13.4 m/km198 m-64 m15.7%
83Acadia Half Marathon & 10K - maine135 m13.5 m/km139 m-4 m16.0%
84Double Decker Spring Run (Oxford, MS) 10K - mississippi138 m13.8 m/km138 m-0 m11.1%
85Norfolk Festival of Running (King's Lynn) 10K - east-of-england139 m13.9 m/km139 m-1 m9.8%
86Spring Dash (Coeur d'Alene) 10K - idaho148 m14.8 m/km147 m1 m14.6%
87Konza 25K & 10K (Manhattan) - kansas148 m14.8 m/km145 m4 m15.5%
88SPAR Budapest Marathon 10K - hungary152 m15.2 m/km152 m-0 m18.7%
89Spokane River Run 10K - washington152 m15.2 m/km152 m0 m17.2%
90Statesman Cap10K (Austin) 10K - texas152 m15.2 m/km159 m-7 m22.6%
91TARC Stone Cat Trail Festival 10K - massachusetts155 m15.5 m/km155 m0 m17.5%
92The Skippo Trail Race 10K - missouri155 m15.5 m/km155 m0 m19.9%
93TCS Lidingöloppet 10K - sweden162 m16.2 m/km159 m3 m12.4%
94Tollymore Extreme (Tollymore Trail Marathon), Newcastle 10K - northern-ireland189 m18.9 m/km187 m2 m16.1%
95Portland Coastal Marathon 10K - south-west207 m20.7 m/km208 m-0 m22.0%
966 sjöar (Uppsala) 10K - sweden222 m21.5 m/km231 m-9 m26.1%
97Trondheim Skogsmaraton 10K - norway232 m22.1 m/km232 m-0 m19.4%
98Beachy Head Marathon 10K - south-east244 m24.4 m/km242 m1 m18.7%
99Two Tunnels Railway Races 10K - south-west244 m24.4 m/km241 m2 m18.1%
100Telekom Vivicittá (Budapest) 10K - hungary248 m24.8 m/km249 m-0 m24.8%
7
Zürich Marathon 10Kswitzerland
Total ascent
15 m
Climb density
1.5 m/km
Descent
17 m
Net elevation
-2 m
Max absolute grade
2.2%

As of

8
Bozeman Half Marathon & 10Kmontana
Total ascent
17 m
Climb density
1.7 m/km
Descent
121 m
Net elevation
-104 m
Max absolute grade
4.0%

As of

9
The Woodlands Marathon 10Ktexas
Total ascent
20 m
Climb density
2.0 m/km
Descent
23 m
Net elevation
-3 m
Max absolute grade
3.7%

As of

16
Tirol läuft (Innsbruck) 10Kaustria
Total ascent
33 m
Climb density
3.3 m/km
Descent
35 m
Net elevation
-2 m
Max absolute grade
5.6%

As of

21
Wilmslow Half Marathon 10Knorth-west
Total ascent
40 m
Climb density
4.0 m/km
Descent
43 m
Net elevation
-3 m
Max absolute grade
3.4%

As of

22
Paavo Nurmi Marathon 10Kfinland
Total ascent
42 m
Climb density
4.2 m/km
Descent
42 m
Net elevation
-1 m
Max absolute grade
5.7%

As of

23
The Doncaster City 10Kyorkshire
Total ascent
42 m
Climb density
4.2 m/km
Descent
41 m
Net elevation
0 m
Max absolute grade
5.0%

As of

25
Debrecen Maraton 10Khungary
Total ascent
46 m
Climb density
4.4 m/km
Descent
46 m
Net elevation
0 m
Max absolute grade
5.5%

As of

26
Cleveland Marathon 10Kohio
Total ascent
46 m
Climb density
4.6 m/km
Descent
46 m
Net elevation
0 m
Max absolute grade
8.1%

As of

27
Reims Champagne Run 10Kfrance
Total ascent
47 m
Climb density
4.7 m/km
Descent
49 m
Net elevation
-2 m
Max absolute grade
4.5%

As of

30
Helvetia Half Marathon 10Koregon
Total ascent
51 m
Climb density
5.1 m/km
Descent
49 m
Net elevation
2 m
Max absolute grade
5.4%

As of

31
NN Night Run Ostrava 10Kczechia
Total ascent
51 m
Climb density
5.1 m/km
Descent
54 m
Net elevation
-3 m
Max absolute grade
4.9%

As of

32
Trondheim Maraton 10Knorway
Total ascent
51 m
Climb density
5.1 m/km
Descent
51 m
Net elevation
1 m
Max absolute grade
9.0%

As of

33
Greifenseelauf Uster 10Kswitzerland
Total ascent
52 m
Climb density
5.2 m/km
Descent
34 m
Net elevation
18 m
Max absolute grade
9.6%

As of

35
Mein Freiburg Marathon 10Kgermany
Total ascent
54 m
Climb density
5.4 m/km
Descent
52 m
Net elevation
2 m
Max absolute grade
6.4%

As of

39
Etape Bornholm 10Kdenmark
Total ascent
56 m
Climb density
5.6 m/km
Descent
62 m
Net elevation
-6 m
Max absolute grade
9.9%

As of

40
Marathon Vert Rennes 10Kfrance
Total ascent
56 m
Climb density
5.6 m/km
Descent
55 m
Net elevation
1 m
Max absolute grade
7.2%

As of

41
Chester Marathon 10Knorth-west
Total ascent
60 m
Climb density
6.0 m/km
Descent
50 m
Net elevation
11 m
Max absolute grade
6.2%

As of

42
Cajun Country Run 10Klouisiana
Total ascent
61 m
Climb density
6.1 m/km
Descent
61 m
Net elevation
-0 m
Max absolute grade
10.7%

As of

45
Run Leicester 10Keast-midlands
Total ascent
63 m
Climb density
6.3 m/km
Descent
63 m
Net elevation
-0 m
Max absolute grade
5.6%

As of

48
Bend Marathon and Half 10Koregon
Total ascent
68 m
Climb density
6.8 m/km
Descent
68 m
Net elevation
0 m
Max absolute grade
10.2%

As of

49
Southampton Marathon 10Ksouth-east
Total ascent
70 m
Climb density
7.0 m/km
Descent
56 m
Net elevation
14 m
Max absolute grade
13.8%

As of

50
Lundaloppet 10Ksweden
Total ascent
72 m
Climb density
7.2 m/km
Descent
69 m
Net elevation
3 m
Max absolute grade
7.5%

As of

55
Garstang 10Knorth-west
Total ascent
80 m
Climb density
8.0 m/km
Descent
81 m
Net elevation
-1 m
Max absolute grade
5.8%

As of

56
Generali Genève Marathon 10Kswitzerland
Total ascent
81 m
Climb density
8.1 m/km
Descent
129 m
Net elevation
-48 m
Max absolute grade
11.6%

As of

58
Flying Pig Marathon 10Kohio
Total ascent
82 m
Climb density
8.2 m/km
Descent
83 m
Net elevation
-1 m
Max absolute grade
10.4%

As of

59
Lift Bridge Road Races 10Kminnesota
Total ascent
84 m
Climb density
8.4 m/km
Descent
55 m
Net elevation
29 m
Max absolute grade
12.9%

As of

61
Rimi Riga Marathon 10Klatvia
Total ascent
85 m
Climb density
8.5 m/km
Descent
84 m
Net elevation
1 m
Max absolute grade
19.7%

As of

62
Cedar Rapids Marathon 10Kiowa
Total ascent
85 m
Climb density
8.5 m/km
Descent
86 m
Net elevation
-0 m
Max absolute grade
13.8%

As of

68
Phoenix 10k & Half Marathonarizona
Total ascent
93 m
Climb density
9.3 m/km
Descent
93 m
Net elevation
0 m
Max absolute grade
7.3%

As of

70
St Albans Half Marathon 10Keast-of-england
Total ascent
97 m
Climb density
9.7 m/km
Descent
97 m
Net elevation
0 m
Max absolute grade
6.9%

As of

76
Middlebury Maple Run 10Kvermont
Total ascent
116 m
Climb density
11.6 m/km
Descent
116 m
Net elevation
-0 m
Max absolute grade
11.3%

As of

79
DNB Oslo Marathon 10Knorway
Total ascent
128 m
Climb density
12.8 m/km
Descent
130 m
Net elevation
-2 m
Max absolute grade
13.3%

As of

80
Haulin' Aspen Trail Race 10Koregon
Total ascent
130 m
Climb density
12.4 m/km
Descent
155 m
Net elevation
-25 m
Max absolute grade
10.9%

As of

83
Acadia Half Marathon & 10Kmaine
Total ascent
135 m
Climb density
13.5 m/km
Descent
139 m
Net elevation
-4 m
Max absolute grade
16.0%

As of

87
Konza 25K & 10K (Manhattan)kansas
Total ascent
148 m
Climb density
14.8 m/km
Descent
145 m
Net elevation
4 m
Max absolute grade
15.5%

As of

88
SPAR Budapest Marathon 10Khungary
Total ascent
152 m
Climb density
15.2 m/km
Descent
152 m
Net elevation
-0 m
Max absolute grade
18.7%

As of

89
Spokane River Run 10Kwashington
Total ascent
152 m
Climb density
15.2 m/km
Descent
152 m
Net elevation
0 m
Max absolute grade
17.2%

As of

92
The Skippo Trail Race 10Kmissouri
Total ascent
155 m
Climb density
15.5 m/km
Descent
155 m
Net elevation
0 m
Max absolute grade
19.9%

As of

93
TCS Lidingöloppet 10Ksweden
Total ascent
162 m
Climb density
16.2 m/km
Descent
159 m
Net elevation
3 m
Max absolute grade
12.4%

As of

95
Portland Coastal Marathon 10Ksouth-west
Total ascent
207 m
Climb density
20.7 m/km
Descent
208 m
Net elevation
-0 m
Max absolute grade
22.0%

As of

96
6 sjöar (Uppsala) 10Ksweden
Total ascent
222 m
Climb density
21.5 m/km
Descent
231 m
Net elevation
-9 m
Max absolute grade
26.1%

As of

97
Trondheim Skogsmaraton 10Knorway
Total ascent
232 m
Climb density
22.1 m/km
Descent
232 m
Net elevation
-0 m
Max absolute grade
19.4%

As of

98
Beachy Head Marathon 10Ksouth-east
Total ascent
244 m
Climb density
24.4 m/km
Descent
242 m
Net elevation
1 m
Max absolute grade
18.7%

As of

99
Two Tunnels Railway Races 10Ksouth-west
Total ascent
244 m
Climb density
24.4 m/km
Descent
241 m
Net elevation
2 m
Max absolute grade
18.1%

As of

Showing the top 100 of 111 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 Total ascent. 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.

See exactly how each figure is calculated →

Route maps for this ranking

How we calculated this

Published facts and derived model outputs on this page are tied to stored sources or a published, version-locked methodology. We show the provenance so runners, coaches and organisers can check it. Data on this page is current as of .

Derived numbers use scoring-methodology-v1.0.

Sources used on this page (113)

Read the full methodology →

Common questions

What is the lowest ascent 10ks?

Summer Breeze Half Marathon (San Leandro) 10K ranks first by total ascent, from 111 qualifying races compared under our published methodology.