Course Library
Know the course
before it humbles you.
Course-specific readiness guides for the world’s hardest trail and ultra races. Each one breaks the course down to its real demands — gradient distribution, the crux, and the four things it asks of your body. Pick your race. See what it actually takes.
94
Courses Analysed
18
Countries
379.2K m
Cumulative Vert
11–402 km
Distance Range
94 courses
Distance
Top Demand
Region
🇺🇸California, United States2mo out
Angeles Crest 100
Mountain Miler
161 kmDistance+6,246 mTotal Vert
🇳🇿Wellington, New ZealandPast
Battle at Boulder Hill 11 km
Mountain Trail
11 kmDistance+444 mTotal Vert
🇺🇸Utah, United States2mo out
Bear 100
Mountain Ultra
159 kmDistance+5,910 mTotal Vert
🇺🇸Arizona, United States7mo out
Black Canyon 100 km
Trail Ultra · Net Descent
100 kmDistance+1,315 mTotal Vert
🇺🇸California, United States9mo out
Canyons by UTMB 100 km
Mountain Ultra · Net Descent
98 kmDistance+3,334 mTotal Vert
🇳🇿Hawkes Bay, New Zealand2mo out
Cape Kidnappers 34 km
Mountain Trail
34 kmDistance+1,200 mTotal Vert
🇹🇷Cappadocia, Turkey3mo out
Cappadocia Ultra-Trail 119 km
Mountain Ultra
118 kmDistance+3,315 mTotal Vert
🇮🇹Tuscany, Italy8mo out
Chianti by UTMB 123 km
Mountain Ultra
122 kmDistance+4,735 mTotal Vert
🇺🇸Arizona, United States10mo out
Cocodona 250
Mountain Miler
402 kmDistance+10,851 mTotal Vert
🇳🇿Christchurch, New Zealand3mo out
Crater Rim Ultra
Mountain Trail
53 kmDistance+2,056 mTotal Vert
🇭🇰Tai Po, Hong Kong3mo out
Dark 45
Mountain Trail
45 kmDistance+2,667 mTotal Vert
🇷🇪Réunion3mo out
Diagonale des Fous
Mountain Miler
174 kmDistance+9,901 mTotal Vert
🇪🇸Basque Country, SpainPast
Ehunmilak
Mountain Miler
171 kmDistance+8,756 mTotal Vert
🇨🇭Grindelwald, SwitzerlandPast
Eiger Ultra Trail 101 km
Mountain Ultra
99 kmDistance+6,242 mTotal Vert
🇫🇷Millau, France3mo out
Endurance Trail des Templiers
Mountain Ultra
99 kmDistance+4,162 mTotal Vert
🇳🇿Wellington, New Zealand9mo out
Faultline 100 miles
Mountain Miler
161 kmDistance+5,262 mTotal Vert
🇳🇿Wellington, New Zealand9mo out
Faultline 103km
Mountain Ultra
103 kmDistance+3,193 mTotal Vert
🇳🇿Wellington, New Zealand9mo out
Faultline 25km
Mountain Trail · Net Descent
25 kmDistance+774 mTotal Vert
🇳🇿Wellington, New Zealand9mo out
Faultline 53km
Mountain Trail
53 kmDistance+1,789 mTotal Vert
🇦🇺Grampians, Victoria, Australia4mo out
Grampians Peaks Trail 100 Mile
Mountain Miler
162 kmDistance+6,318 mTotal Vert
🇦🇺Grampians, Victoria, Australia4mo out
Grampians Peaks Trail 50 km
Mountain Trail
49 kmDistance+1,515 mTotal Vert
🇫🇷Hautes-Pyrénées, France29d out
Grand Raid des Pyrénées Ultra Tour 160 km
Mountain Miler
163 kmDistance+9,835 mTotal Vert
🇮🇹Courmayeur, ItalyPast
Grand Trail Courmayeur
Mountain Trail
55 kmDistance+3,098 mTotal Vert
🇦🇹Salzburg, Austria2d out
Grossglockner Ultra-Trail 110 km
Mountain Ultra
107 kmDistance+6,260 mTotal Vert
🇺🇸Colorado, United StatesPast
Hardrock 100
Mountain Ultra
158 kmDistance+9,340 mTotal Vert
🇺🇸Colorado, United StatesPast
High Lonesome 100
Mountain Ultra
160 kmDistance+6,246 mTotal Vert
🇭🇰New Territories, Hong Kong6mo out
Hong Kong 100 km
Mountain Ultra
100 kmDistance+4,527 mTotal Vert
🇭🇰Hong Kong, Hong Kong3mo out
Hong Kong 50
Mountain Trail · Net Descent
50 kmDistance+1,261 mTotal Vert
🇺🇸Arizona, United States3mo out
Javelina Jundred
100-Mile Ultra
161 kmDistance+1,523 mTotal Vert
🇸🇮Kranjska Gora, Slovenia59d out
Julian Alps Trail Run by UTMB 120 km
Mountain Ultra
123 kmDistance+5,617 mTotal Vert
🇳🇿Fiordland, New Zealand5mo out
Kepler Challenge
Mountain Ultra
60 kmDistance+1,949 mTotal Vert
🇸🇪Skåne, Sweden3mo out
Kullamannen by UTMB 100 mile
100-Mile Ultra
171 kmDistance+1,658 mTotal Vert
🇮🇹Cortina d'Ampezzo, Italy11mo out
Lavaredo Ultra Trail
Mountain Ultra
120 kmDistance+5,567 mTotal Vert
🇺🇸Colorado, United States32d out
Leadville Trail 100 Run
Mountain Ultra
160 kmDistance+3,741 mTotal Vert
🇳🇿Fiordland, New Zealand5mo out
Luxmore Grunt
Mountain Trail
27 kmDistance+942 mTotal Vert
🇵🇹Madeira, Portugal9mo out
Madeira Island Ultra-Trail 115 km
Mountain Ultra
115 kmDistance+6,860 mTotal Vert
🇵🇹Madeira, Portugal9mo out
Madeira Island Ultra-Trail 42 km
Mountain Trail · Net Descent
40 kmDistance+1,296 mTotal Vert
🇵🇹Madeira, Portugal9mo out
Madeira Island Ultra-Trail 85 km
Mountain Ultra
83 kmDistance+5,198 mTotal Vert
🇺🇸California, United States2mo out
Mammoth Trail Fest 50 km
Mountain Trail
52 kmDistance+1,628 mTotal Vert
🇫🇷Chamonix, France11mo out
Marathon du Mont-Blanc 42 km
Mountain Trail
41 kmDistance+2,272 mTotal Vert
🇫🇷Chamonix, France11mo out
Marathon du Mont-Blanc 90 km
Mountain Ultra
89 kmDistance+5,660 mTotal Vert
🇳🇿Central Otago, New ZealandPast
Mt Difficulty
Mountain Trail
25 kmDistance+1,578 mTotal Vert
🇯🇵Yamanashi, Japan9mo out
Mt. FUJI 100
Mountain Miler
164 kmDistance+5,998 mTotal Vert
🇫🇷Nice, France2mo out
Nice Côte d'Azur by UTMB 100 mile
Mountain Miler · Net Descent
165 kmDistance+8,518 mTotal Vert
🇳🇿Cromwell, New Zealand8mo out
Northburn 100 miles
Mountain Miler
160 kmDistance+8,754 mTotal Vert
🇳🇿Otago, New Zealand8mo out
Northburn 50 km
Mountain Trail
50 kmDistance+2,620 mTotal Vert
🇳🇿West Coast, New Zealand8mo out
Paparoa Ultra
Mountain Trail · Net Descent
55 kmDistance+1,427 mTotal Vert
🇺🇸Colorado, United States2mo out
Pikes Peak Marathon
Mountain Trail
42 kmDistance+2,358 mTotal Vert
🇳🇿Canterbury, New Zealand2mo out
Race Tekapo 32 km
Trail Race
32 kmDistance+426 mTotal Vert
🇳🇿Ruapehu, New Zealand8mo out
Ring of Fire 100 km
Mountain Ultra
100 kmDistance+2,947 mTotal Vert
🇳🇿Ruapehu, New Zealand8mo out
Ring of Fire 60 km
Mountain Ultra · Net Descent
60 kmDistance+1,597 mTotal Vert
🇺🇸Colorado, United States59d out
Run Rabbit Run 100
Mountain Miler
162 kmDistance+4,503 mTotal Vert
🇨🇭Valais, Switzerland18d out
Sierre-Zinal
Mountain Trail
31 kmDistance+2,060 mTotal Vert
🇬🇧South Downs, United Kingdom11mo out
South Downs Way 100
Mountain Ultra
160 kmDistance+3,431 mTotal Vert
🇺🇸Utah, United States5d out
Speedgoat 50 km
Mountain Trail
51 kmDistance+3,256 mTotal Vert
🇳🇿Rotorua, New Zealand7mo out
Tarawera 102 km
Mountain Ultra
102 kmDistance+2,288 mTotal Vert
🇳🇿Rotorua, New Zealand7mo out
Tarawera 50 km
Mountain Trail
52 kmDistance+1,397 mTotal Vert
🇳🇿Rotorua, New Zealand7mo out
Tarawera Miler
Mountain Miler
163 kmDistance+3,925 mTotal Vert
🇳🇿Taupo, New Zealand3mo out
Taupo Ultramarathon 100km
Trail Ultra
100 kmDistance+1,307 mTotal Vert
🇳🇿Taupo, New Zealand3mo out
Taupo Ultramarathon 24 km
Trail Race
24 kmDistance+410 mTotal Vert
🇳🇿Taupo, New Zealand3mo out
Taupo Ultramarathon 50 km
Trail Race · Net Descent
50 kmDistance+620 mTotal Vert
🇳🇿Taupo, New Zealand3mo out
Taupo Ultramarathon 70 km
Trail Ultra · Net Descent
70 kmDistance+917 mTotal Vert
🇹🇭Chiang Mai, Thailand5mo out
Thailand by UTMB 100 km
Mountain Ultra
100 kmDistance+4,944 mTotal Vert
🇳🇿West Coast, New Zealand7mo out
The Old Ghost Road
Mountain Ultra
86 kmDistance+2,197 mTotal Vert
🇺🇸Montana, United States54d out
The Rut 50 km
Mountain Trail
50 kmDistance+2,818 mTotal Vert
🇳🇿Nelson, New Zealand5mo out
The Spectacle 100 Mile
Mountain Ultra
159 kmDistance+5,149 mTotal Vert
🇳🇿Nelson, New Zealand5mo out
The Spectacle 100km
Mountain Ultra
98 kmDistance+3,008 mTotal Vert
🇳🇿Nelson, New Zealand5mo out
The Spectacle 50km
Mountain Trail
54 kmDistance+1,888 mTotal Vert
🇮🇹Aosta Valley, Italy54d out
Tor des Géants
Mountain Miler
340 kmDistance+22,979 mTotal Vert
🇪🇸Gran Canaria, Spain7mo out
Transgrancanaria 128 km
Mountain Ultra
125 kmDistance+6,093 mTotal Vert
🇪🇸Gran Canaria, Spain7mo out
Transgrancanaria 23 km
Mountain Trail
23 kmDistance+1,448 mTotal Vert
🇪🇸Gran Canaria, Spain7mo out
Transgrancanaria 47 km
Mountain Trail · Net Descent
46 kmDistance+1,377 mTotal Vert
🇪🇸Gran Canaria, Spain7mo out
Transgrancanaria 82 km
Mountain Ultra · Net Descent
81 kmDistance+3,654 mTotal Vert
🇪🇸La Palma, Spain10mo out
Transvulcania
Mountain Ultra
74 kmDistance+4,214 mTotal Vert
🇳🇿Hawke's Bay, New ZealandPast
Triple Peaks Hawke's Bay
Mountain Trail
54 kmDistance+1,586 mTotal Vert
🇪🇸Catalonia, Spain2mo out
Ultra Pirineu 100 km
Mountain Ultra
100 kmDistance+8,418 mTotal Vert
🇦🇺Blue Mountains, Australia10mo out
Ultra Trail Australia 100 mile
Mountain Miler
161 kmDistance+6,298 mTotal Vert
🇿🇦Western Cape, South Africa4mo out
Ultra-Trail Cape Town 100 km
Mountain Ultra
99 kmDistance+4,278 mTotal Vert
🇿🇦Cape Town, South Africa4mo out
Ultra-Trail Cape Town 100 mile
Mountain Miler
162 kmDistance+5,832 mTotal Vert
🇿🇦Western Cape, South Africa4mo out
Ultra-Trail Cape Town 55 km
Mountain Trail
57 kmDistance+2,379 mTotal Vert
🇿🇦KwaZulu-Natal, South Africa9mo out
Ultra-Trail Drakensberg 100 km
Mountain Ultra
99 kmDistance+2,761 mTotal Vert
🇫🇷Chamonix, France38d out
UTMB
Mountain Miler
174 kmDistance+9,977 mTotal Vert
🇫🇷Chamonix, France38d out
UTMB Courmayeur-Champex-Chamonix 101 km
Mountain Ultra
101 kmDistance+5,674 mTotal Vert
🇮🇹Aosta Valley, Italy35d out
ETC 15 km
Mountain Trail
15 kmDistance+1,135 mTotal Vert
🇫🇷Haute-Savoie, France34d out
MCC 40 km
Mountain Trail
38 kmDistance+2,185 mTotal Vert
🇫🇷Chamonix, France37d out
OCC
Mountain Ultra
60 kmDistance+3,238 mTotal Vert
🇫🇷Chamonix, France34d out
TDS 148 km
Mountain Ultra
145 kmDistance+8,682 mTotal Vert
🇪🇸Val d'Aran, SpainPast
Val d'Aran by UTMB 163 km
Mountain Ultra
160 kmDistance+9,074 mTotal Vert
🇳🇿New Zealand4mo out
WAI2K
Mountain Ultra
100 kmDistance+3,897 mTotal Vert
🇳🇿Kapiti coast, New ZealandPast
Waitarere Half Marathon 21 km
Trail Race
21 kmDistance+53 mTotal Vert
🇺🇸California, United States11mo out
Western States 100
Mountain Miler · Net Descent
161 kmDistance+4,768 mTotal Vert
🇳🇿Wellington, New ZealandPast
WUU 45KM
Mountain Trail
45 kmDistance+1,621 mTotal Vert
🇳🇿Wellington, New ZealandPast
WUU2K Ultramarathon 65km
Mountain Ultra
65 kmDistance+2,417 mTotal Vert
🇳🇿Wellington, New Zealand7mo out
Xterra 1/2 Marathon
Mountain Trail
21 kmDistance+397 mTotal Vert