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About RaceIndexOur methodologyData coverageCyclingTriathlon

Steepest 10ks

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

Ranking current as of

Which race ranks first — and why is it Dalmacija Ultra Trail?

Dalmacija Ultra Trail leads this ranking on absolute max grade (48.6%).

Compare Dalmacija Ultra Trail vs Tatra SkyMarathon (Zakopane)

#RaceAbsolute max gradeAscentClimb densityDescentNet elevationAs of
1Dalmacija Ultra Trail 10K - croatia48.6%428 m42.1 m/km428 m0 m
2Tatra SkyMarathon (Zakopane) 10K - poland42.3%414 m41.4 m/km414 m1 m
3Mohawk Mountain Race (Cornwall) 10K - connecticut40.0%850 m85.0 m/km849 m1 m
4Catalina Island Marathon 10K - california39.0%398 m39.8 m/km398 m0 m
5Zagori Mountain Running (ZMR) 10K - greece36.4%447 m44.7 m/km435 m12 m
6Wild Duluth Races 10K - minnesota31.6%304 m30.4 m/km355 m-51 m
7Endurancelife Peak District (Castleton) 10K - east-midlands31.1%510 m51.0 m/km511 m-0 m
86 sjöar (Uppsala) 10K - sweden26.1%222 m21.5 m/km231 m-9 m
9The Maverick Peak District Trail (Bakewell) 10K - east-midlands26.0%256 m25.6 m/km256 m0 m
10Telekom Vivicittá (Budapest) 10K - hungary24.8%248 m24.8 m/km249 m-0 m
11Lakeland Trails Coniston Marathon, Half, Mini-10k & 5k - north-west24.6%318 m31.8 m/km317 m0 m
12Foot Levelers Blue Ridge Marathon 10K - virginia23.0%276 m27.6 m/km278 m-2 m
13Statesman Cap10K (Austin) 10K - texas22.6%152 m15.2 m/km159 m-7 m
14Sandia Mountain Shadows Trail Run 10K - new-mexico22.1%289 m28.9 m/km288 m1 m
15Portland Coastal Marathon 10K - south-west22.0%207 m20.7 m/km208 m-0 m
16BTC Vulcan Run 10K (Birmingham) - alabama20.5%84 m8.4 m/km84 m-0 m
17OhioHealth Capital City Half & Quarter Marathon (Columbus) 10K - ohio20.2%104 m9.8 m/km102 m1 m
18The Skippo Trail Race 10K - missouri19.9%155 m15.5 m/km155 m0 m
19Rimi Riga Marathon 10K - latvia19.7%85 m8.5 m/km84 m1 m
20Trondheim Skogsmaraton 10K - norway19.4%232 m22.1 m/km232 m-0 m
21SPAR Budapest Marathon 10K - hungary18.7%152 m15.2 m/km152 m-0 m
22Beachy Head Marathon 10K - south-east18.7%244 m24.4 m/km242 m1 m
23Two Tunnels Railway Races 10K - south-west18.1%244 m24.4 m/km241 m2 m
24TARC Stone Cat Trail Festival 10K - massachusetts17.5%155 m15.5 m/km155 m0 m
25Spokane River Run 10K - washington17.2%152 m15.2 m/km152 m0 m
26Greene & Schultz Hoosier Half Marathon, 5 & 10K - indiana16.3%134 m13.4 m/km134 m0 m
27Tollymore Extreme (Tollymore Trail Marathon), Newcastle 10K - northern-ireland16.1%189 m18.9 m/km187 m2 m
28Acadia Half Marathon & 10K - maine16.0%135 m13.5 m/km139 m-4 m
29Juneteenth Half Marathon & 10K (Washington DC) - dc15.7%134 m13.4 m/km198 m-64 m
30Konza 25K & 10K (Manhattan) - kansas15.5%148 m14.8 m/km145 m4 m
31Spring Dash (Coeur d'Alene) 10K - idaho14.6%148 m14.8 m/km147 m1 m
32Ultra Trail Vipava Valley (UTVV), Ajdovščina 10K - slovenia14.5%110 m11.0 m/km110 m1 m
33Cedar Rapids Marathon 10K - iowa13.8%85 m8.5 m/km86 m-0 m
34Southampton Marathon 10K - south-east13.8%70 m7.0 m/km56 m14 m
35LIDL São Silvestre de Lisboa 10K - portugal13.6%119 m11.9 m/km119 m0 m
36DNB Oslo Marathon 10K - norway13.3%128 m12.8 m/km130 m-2 m
37Lift Bridge Road Races 10K - minnesota12.9%84 m8.4 m/km55 m29 m
38Courses de Strasbourg Eurométropole 10K - france12.9%89 m8.9 m/km83 m6 m
39Toulouse Métropole Run Experience 10K - france12.6%40 m4.0 m/km50 m-10 m
40La Jolla Half Marathon, 10K & 5K - california12.4%76 m7.6 m/km197 m-121 m
41TCS Lidingöloppet 10K - sweden12.4%162 m16.2 m/km159 m3 m
42Clonakilty Waterfront Marathon 10K - ireland12.3%89 m8.9 m/km94 m-4 m
43OTC Butte to Butte (Eugene) 10K - oregon11.8%99 m9.9 m/km133 m-34 m
44Generali Genève Marathon 10K - switzerland11.6%81 m8.1 m/km129 m-48 m
45Middlebury Maple Run 10K - vermont11.3%116 m11.6 m/km116 m-0 m
46Double Decker Spring Run (Oxford, MS) 10K - mississippi11.1%138 m13.8 m/km138 m-0 m
47Haulin' Aspen Trail Race 10K - oregon10.9%130 m12.4 m/km155 m-25 m
48Run Madtown Half Marathon, 10K & 5K - wisconsin10.8%101 m10.1 m/km100 m1 m
49Cajun Country Run 10K - louisiana10.7%61 m6.1 m/km61 m-0 m
50Fayetteville Half Marathon 10K - arkansas10.6%82 m8.2 m/km82 m0 m
51St. Croix Crossing Half Marathon 10K - minnesota10.4%23 m2.3 m/km91 m-68 m
52Flying Pig Marathon 10K - ohio10.4%82 m8.2 m/km83 m-1 m
53RAD Half Marathon & 10K (Asheville) - north-carolina10.3%92 m9.2 m/km163 m-72 m
54Bend Marathon and Half 10K - oregon10.2%68 m6.8 m/km68 m0 m
55Montpellier Run Festival 10K - france9.9%94 m9.4 m/km82 m12 m
56Isle of Skye Half Marathon 10K - scotland9.9%112 m11.2 m/km144 m-31 m
57Etape Bornholm 10K - denmark9.9%56 m5.6 m/km62 m-6 m
58Norfolk Festival of Running (King's Lynn) 10K - east-of-england9.8%139 m13.9 m/km139 m-1 m
59Greifenseelauf Uster 10K - switzerland9.6%52 m5.2 m/km34 m18 m
60Naptown Half Marathon & 10K/5K - maryland9.3%63 m6.3 m/km63 m-0 m
61Bay of Fundy International Marathon 10K - maine9.1%64 m6.4 m/km91 m-27 m
62Endurancelife Suffolk (Dunwich) 10K - east-of-england9.1%88 m9.0 m/km89 m-1 m
63Trondheim Maraton 10K - norway9.0%51 m5.1 m/km51 m1 m
64Altru Family YMCA Firecracker 5K & 10K Fun Run/Walk - north-dakota8.8%79 m7.9 m/km79 m-0 m
65Run the Rainbow for Children's 10K - mississippi8.3%117 m11.7 m/km117 m0 m
66Cleveland Marathon 10K - ohio8.1%46 m4.6 m/km46 m0 m
67Zurich Rock 'n' Roll Running Series Madrid 10K - spain7.7%66 m6.6 m/km93 m-26 m
68Parkway Subaru Battleship Half Marathon & GFL 10K|5K (Wilmington) - north-carolina7.6%52 m5.2 m/km52 m0 m
69Lundaloppet 10K - sweden7.5%72 m7.2 m/km69 m3 m
70Phoenix 10k & Half Marathon - arizona7.3%93 m9.3 m/km93 m0 m
71Marathon Vert Rennes 10K - france7.2%56 m5.6 m/km55 m1 m
72St Albans Half Marathon 10K - east-of-england6.9%97 m9.7 m/km97 m0 m
73Gravel Worlds Run Series (Lincoln) 10K - nebraska6.7%90 m9.0 m/km90 m0 m
74Thames Meander Marathon (London) 10K - london6.5%78 m7.8 m/km77 m0 m
75Naisten Kymppi (Helsinki) 10K - finland6.4%48 m4.8 m/km47 m1 m
76TBK Bank Quad Cities Marathon 10K - iowa6.4%29 m2.9 m/km28 m1 m
77Mein Freiburg Marathon 10K - germany6.4%54 m5.4 m/km52 m2 m
78Garmin New Forest Marathon 10K - south-east6.3%40 m4.0 m/km41 m-2 m
79Madison Marathon (Madison, Wisconsin) 10K - wisconsin6.2%43 m4.3 m/km38 m4 m
80Chester Marathon 10K - north-west6.2%60 m6.0 m/km50 m11 m
81Ukrop's Monument Avenue 10K (Richmond) - virginia5.9%49 m4.9 m/km43 m6 m
82Garstang 10K - north-west5.8%80 m8.0 m/km81 m-1 m
83Paavo Nurmi Marathon 10K - finland5.7%42 m4.2 m/km42 m-1 m
84Run Leicester 10K - east-midlands5.6%63 m6.3 m/km63 m-0 m
85Tirol läuft (Innsbruck) 10K - austria5.6%33 m3.3 m/km35 m-2 m
86Debrecen Maraton 10K - hungary5.5%46 m4.4 m/km46 m0 m
87Indiana Women's Running Festival (Indy Women's Half Marathon), Carmel 10K - indiana5.5%36 m3.6 m/km36 m-0 m
88Helvetia Half Marathon 10K - oregon5.4%51 m5.1 m/km49 m2 m
89Regeneron Great Limerick Run 10K - ireland5.4%55 m5.7 m/km58 m-3 m
90Martian Invasion of Races 10K - michigan5.3%31 m3.1 m/km31 m0 m
91The Doncaster City 10K - yorkshire5.0%42 m4.2 m/km41 m0 m
92Windermere Marathon (Spokane) 10K - washington5.0%62 m6.2 m/km62 m0 m
93Garmin Olathe Marathon in the Land of Oz 10K - kansas5.0%55 m5.5 m/km55 m0 m
94NN Night Run Ostrava 10K - czechia4.9%51 m5.1 m/km54 m-3 m
95Bear Trail Half Marathon & 10K - delaware4.9%36 m3.6 m/km37 m-0 m
96Reims Champagne Run 10K - france4.5%47 m4.7 m/km49 m-2 m
97Athens Marathon. The Authentic 10K - greece4.4%79 m7.9 m/km83 m-4 m
98SwissCityMarathon – Lucerne 10K - switzerland4.1%27 m2.7 m/km31 m-4 m
99Montana Marathon (Billings) 10K - montana4.0%13 m1.3 m/km64 m-51 m
100Bozeman Half Marathon & 10K - montana4.0%17 m1.7 m/km121 m-104 m
1
Dalmacija Ultra Trail 10Kcroatia
Absolute max grade
48.6%
Ascent
428 m
Climb density
42.1 m/km
Descent
428 m
Net elevation
0 m

As of

6
Wild Duluth Races 10Kminnesota
Absolute max grade
31.6%
Ascent
304 m
Climb density
30.4 m/km
Descent
355 m
Net elevation
-51 m

As of

8
6 sjöar (Uppsala) 10Ksweden
Absolute max grade
26.1%
Ascent
222 m
Climb density
21.5 m/km
Descent
231 m
Net elevation
-9 m

As of

18
The Skippo Trail Race 10Kmissouri
Absolute max grade
19.9%
Ascent
155 m
Climb density
15.5 m/km
Descent
155 m
Net elevation
0 m

As of

19
Rimi Riga Marathon 10Klatvia
Absolute max grade
19.7%
Ascent
85 m
Climb density
8.5 m/km
Descent
84 m
Net elevation
1 m

As of

20
Trondheim Skogsmaraton 10Knorway
Absolute max grade
19.4%
Ascent
232 m
Climb density
22.1 m/km
Descent
232 m
Net elevation
-0 m

As of

21
SPAR Budapest Marathon 10Khungary
Absolute max grade
18.7%
Ascent
152 m
Climb density
15.2 m/km
Descent
152 m
Net elevation
-0 m

As of

22
Beachy Head Marathon 10Ksouth-east
Absolute max grade
18.7%
Ascent
244 m
Climb density
24.4 m/km
Descent
242 m
Net elevation
1 m

As of

25
Spokane River Run 10Kwashington
Absolute max grade
17.2%
Ascent
152 m
Climb density
15.2 m/km
Descent
152 m
Net elevation
0 m

As of

28
Acadia Half Marathon & 10Kmaine
Absolute max grade
16.0%
Ascent
135 m
Climb density
13.5 m/km
Descent
139 m
Net elevation
-4 m

As of

30
Konza 25K & 10K (Manhattan)kansas
Absolute max grade
15.5%
Ascent
148 m
Climb density
14.8 m/km
Descent
145 m
Net elevation
4 m

As of

33
Cedar Rapids Marathon 10Kiowa
Absolute max grade
13.8%
Ascent
85 m
Climb density
8.5 m/km
Descent
86 m
Net elevation
-0 m

As of

34
Southampton Marathon 10Ksouth-east
Absolute max grade
13.8%
Ascent
70 m
Climb density
7.0 m/km
Descent
56 m
Net elevation
14 m

As of

36
DNB Oslo Marathon 10Knorway
Absolute max grade
13.3%
Ascent
128 m
Climb density
12.8 m/km
Descent
130 m
Net elevation
-2 m

As of

37
Lift Bridge Road Races 10Kminnesota
Absolute max grade
12.9%
Ascent
84 m
Climb density
8.4 m/km
Descent
55 m
Net elevation
29 m

As of

41
TCS Lidingöloppet 10Ksweden
Absolute max grade
12.4%
Ascent
162 m
Climb density
16.2 m/km
Descent
159 m
Net elevation
3 m

As of

45
Middlebury Maple Run 10Kvermont
Absolute max grade
11.3%
Ascent
116 m
Climb density
11.6 m/km
Descent
116 m
Net elevation
-0 m

As of

49
Cajun Country Run 10Klouisiana
Absolute max grade
10.7%
Ascent
61 m
Climb density
6.1 m/km
Descent
61 m
Net elevation
-0 m

As of

52
Flying Pig Marathon 10Kohio
Absolute max grade
10.4%
Ascent
82 m
Climb density
8.2 m/km
Descent
83 m
Net elevation
-1 m

As of

54
Bend Marathon and Half 10Koregon
Absolute max grade
10.2%
Ascent
68 m
Climb density
6.8 m/km
Descent
68 m
Net elevation
0 m

As of

57
Etape Bornholm 10Kdenmark
Absolute max grade
9.9%
Ascent
56 m
Climb density
5.6 m/km
Descent
62 m
Net elevation
-6 m

As of

59
Greifenseelauf Uster 10Kswitzerland
Absolute max grade
9.6%
Ascent
52 m
Climb density
5.2 m/km
Descent
34 m
Net elevation
18 m

As of

63
Trondheim Maraton 10Knorway
Absolute max grade
9.0%
Ascent
51 m
Climb density
5.1 m/km
Descent
51 m
Net elevation
1 m

As of

66
Cleveland Marathon 10Kohio
Absolute max grade
8.1%
Ascent
46 m
Climb density
4.6 m/km
Descent
46 m
Net elevation
0 m

As of

69
Lundaloppet 10Ksweden
Absolute max grade
7.5%
Ascent
72 m
Climb density
7.2 m/km
Descent
69 m
Net elevation
3 m

As of

71
Marathon Vert Rennes 10Kfrance
Absolute max grade
7.2%
Ascent
56 m
Climb density
5.6 m/km
Descent
55 m
Net elevation
1 m

As of

72
St Albans Half Marathon 10Keast-of-england
Absolute max grade
6.9%
Ascent
97 m
Climb density
9.7 m/km
Descent
97 m
Net elevation
0 m

As of

77
Mein Freiburg Marathon 10Kgermany
Absolute max grade
6.4%
Ascent
54 m
Climb density
5.4 m/km
Descent
52 m
Net elevation
2 m

As of

80
Chester Marathon 10Knorth-west
Absolute max grade
6.2%
Ascent
60 m
Climb density
6.0 m/km
Descent
50 m
Net elevation
11 m

As of

82
Garstang 10Knorth-west
Absolute max grade
5.8%
Ascent
80 m
Climb density
8.0 m/km
Descent
81 m
Net elevation
-1 m

As of

83
Paavo Nurmi Marathon 10Kfinland
Absolute max grade
5.7%
Ascent
42 m
Climb density
4.2 m/km
Descent
42 m
Net elevation
-1 m

As of

84
Run Leicester 10Keast-midlands
Absolute max grade
5.6%
Ascent
63 m
Climb density
6.3 m/km
Descent
63 m
Net elevation
-0 m

As of

86
Debrecen Maraton 10Khungary
Absolute max grade
5.5%
Ascent
46 m
Climb density
4.4 m/km
Descent
46 m
Net elevation
0 m

As of

88
Helvetia Half Marathon 10Koregon
Absolute max grade
5.4%
Ascent
51 m
Climb density
5.1 m/km
Descent
49 m
Net elevation
2 m

As of

91
The Doncaster City 10Kyorkshire
Absolute max grade
5.0%
Ascent
42 m
Climb density
4.2 m/km
Descent
41 m
Net elevation
0 m

As of

94
NN Night Run Ostrava 10Kczechia
Absolute max grade
4.9%
Ascent
51 m
Climb density
5.1 m/km
Descent
54 m
Net elevation
-3 m

As of

96
Reims Champagne Run 10Kfrance
Absolute max grade
4.5%
Ascent
47 m
Climb density
4.7 m/km
Descent
49 m
Net elevation
-2 m

As of

100
Bozeman Half Marathon & 10Kmontana
Absolute max grade
4.0%
Ascent
17 m
Climb density
1.7 m/km
Descent
121 m
Net elevation
-104 m

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 Absolute max grade. 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 steepest 10ks?

Dalmacija Ultra Trail 10K ranks first by absolute max grade, from 111 qualifying races compared under our published methodology.