Top 10 Hardest Races

Discover the races with the highest difficulty score

1

PTL

UTMB Mont-Blanc

Chamonix-Mont-Blanc, Auvergne-Rhône-Alpes, France · 304.0 km · 25360 m ↑
Trail XXXL
max altitude 3200 m avg altitude 2089 m min altitude 876 m
95.7 % difficulty score
2

TOR450 - Tor Des Glaciers

TORX

Courmayeur, Aosta Valley, Italy · 450.5 km · 32139 m ↑
Trail XXXL
max altitude 3299 m avg altitude 2118 m min altitude 316 m
92.1 % difficulty score
3

TOR330 - Tor Des Geants

TORX

Courmayeur, Aosta Valley, Italy · 345.5 km · 25774 m ↑
Trail XXXL
max altitude 3297 m avg altitude 1944 m min altitude 313 m
86.9 % difficulty score
4

MZV 9.5K

Monte Zerbion Skyrace

Châtillon, Aosta Valley, Italy · 9.9 km · 2202 m ↑
Trail 10K M
max altitude 2677 m avg altitude 1440 m min altitude 531 m
74.7 % difficulty score
5

KV Fully

Kilomètre Vertical de Fully

Fully, Martigny, Switzerland · 2.2 km · 780 m ↑
Trail XS
max altitude 1282 m avg altitude 813 m min altitude 502 m
67.6 % difficulty score
6

TOR130 - Tot Dret

TORX

Gressoney-Saint-Jean, Aosta Valley, Italy · 139.3 km · 10326 m ↑
Trail XXL
max altitude 2920 m avg altitude 2064 m min altitude 1227 m
66.3 % difficulty score
7

Km Vertical

Marathon du Mont-Blanc

Chamonix-Mont-Blanc, Auvergne-Rhône-Alpes, France · 4.8 km · 1060 m ↑
Trail 5K S
max altitude 2049 m avg altitude 1494 m min altitude 1042 m
64.6 % difficulty score
8

Comapedrosa Vertical

Comapedrosa Mountain Festival

La Massana, Andorra · 8.1 km · 1491 m ↑
Trail S
max altitude 2932 m avg altitude 2251 m min altitude 1468 m
63.5 % difficulty score
9

52K

Mexico Sky Challenge

La Perla, Mexico · 53.6 km · 5004 m ↑
Trail 50K XL
max altitude 3128 m avg altitude 2163 m min altitude 1247 m
63.2 % difficulty score
10

Stupa to Stupa 54K

Kathmandu Metropolitan City, Bagamati Province, Nepal · 64.4 km · 7136 m ↑
Trail XL
max altitude 2083 m avg altitude 1765 m min altitude 1327 m
63.2 % difficulty score
Runderwear Affiliate

*Affiliate link - I may earn a commission if you buy