Hardest ultra marathons
5 races
HOKA UTMB Mont-Blanc
Aug 25-31, 2025 (Mon-Sun)
Chamonix, Auvergne-Rhône-Alpes, France
1.6 - 3.6
300K
176K
148K
101K
57K
Dragon's Back Race
Sep 1, 2025 (Mon)
Conwy, Wales, United Kingdom
3.6
370K
Tor des Géants
Sep 12-20, 2025 (Fri-Sat)
Courmayeur, Aosta Valley, Italy
2.4 - 3.9
450K
330K
130K
100K
Moab 240
Oct 10, 2025 (Fri)
Moab, Utah, United States
3.6
$2,055.3
240mi
Montane Winter Spine
Jan 11-18, 2026 (Sun-Sun)
Peak District, East Midlands, United Kingdom
3.6
£1,345
268mi
Showing 1 - 5 of 5 events