UTMB - Ultra-Trail du Mont-Blanc
Featured
Chamonix, Haute-Savoie, FR
Race Day
Fri, Aug 28
84d away
Course
Trail
| ultra10000m | Extreme |
The world's most prestigious ultra-trail race. 171km around Mont Blanc through France, Italy, and Switzerland with 10,000m of elevation gain. The pinnacle of trail running.
2,500 participants
ultramountaintechnicalalpineiconic3-countries
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Why Run This Race?
- ✓Challenging terrain — 10000m of climbing
- ✓Warm conditions — historical average 20°C, plan hydration
- ✓Full course map with segment-by-segment weather analysis
Similar Races
10 Years of Race Day Weather
Year-by-year breakdown, trends, and conditions that shaped past races
Frequently Asked Questions
All Upcoming Races
- Comrades Marathon — Durban, ZA — June 14, 2026 — ultra
- Western States 100 — Olympic Valley, US — June 27, 2026 — ultra
- Marathon du Mont-Blanc — Chamonix, FR — June 27, 2026 — Marathon, Half Marathon, 10K
- UTMB - Ultra-Trail du Mont-Blanc — Chamonix, FR — August 28, 2026 — ultra
- Copenhagen Half Marathon — Copenhagen, DK — September 13, 2026 — Half Marathon
- Great North Run — Newcastle, GB — September 13, 2026 — Half Marathon
- Berlin Marathon — Berlin, DE — September 27, 2026 — Marathon
- Chicago Marathon — Chicago, US — October 11, 2026 — Marathon
- Amsterdam Marathon — Amsterdam, NL — October 18, 2026 — Marathon, Half Marathon, 10K
- Istanbul Marathon — Istanbul, TR — November 1, 2026 — Marathon, Half Marathon, 10K
- New York City Marathon — New York, US — November 1, 2026 — Marathon
- Athens Marathon — Athens, GR — November 8, 2026 — Marathon, 10K, 5K
- Valencia Marathon — Valencia, ES — December 6, 2026 — Marathon
- The Wall Ultra — Carlisle, GB — June 20, 2026 — ultra
- Lavaredo Ultra Trail — Cortina d'Ampezzo, IT — June 25, 2026 — ultra
- Dolomiti Extreme Trail — Feltre, IT — July 4, 2026 — ultra, Marathon
- Gold Coast Marathon — Gold Coast, AU — July 4, 2026 — Marathon, Half Marathon, 10K, 5K
- Hardrock 100 — Silverton, US — July 17, 2026 — ultra
- Eiger Ultra Trail — Grindelwald, CH — July 18, 2026 — ultra, Marathon, Half Marathon
- Helsinki Marathon — Helsinki, FI — August 15, 2026 — Marathon, Half Marathon, 10K
- Reykjavik Marathon — Reykjavik, IS — August 22, 2026 — Marathon, Half Marathon, 10K
- Trail du Mont Blanc (TDS) — Chamonix, FR — August 26, 2026 — ultra
- CCC - Courmayeur Champex Chamonix — Courmayeur, IT — August 27, 2026 — ultra
- Mexico City Marathon — Mexico City, MX — August 30, 2026 — Marathon
- Tallinn Marathon — Tallinn, EE — September 12, 2026 — Marathon, Half Marathon, 10K
- Marathon du Medoc — Pauillac, FR — September 12, 2026 — Marathon
- Patagonia International Marathon — Puerto Natales, CL — September 12, 2026 — Marathon, Half Marathon, 10K
- Oslo Marathon — Oslo, NO — September 19, 2026 — Marathon, Half Marathon, 10K
- Dam tot Damloop — Amsterdam, NL — September 20, 2026 — 10K
- Montreal Marathon — Montreal, CA — September 20, 2026 — Marathon, Half Marathon, 10K, 5K
- Spartathlon — Athens, GR — September 25, 2026 — ultra
- Warsaw Marathon — Warsaw, PL — September 27, 2026 — Marathon, Half Marathon, 10K
- Otter African Trail Run — Storms River, ZA — October 3, 2026 — Marathon
- Cologne Marathon — Cologne, DE — October 4, 2026 — Marathon, Half Marathon
- Vilnius Marathon — Vilnius, LT — October 4, 2026 — Marathon, Half Marathon, 10K, 5K
- Melbourne Marathon — Melbourne, AU — October 11, 2026 — Marathon, Half Marathon, 10K, 5K
- Budapest Marathon — Budapest, HU — October 11, 2026 — Marathon, Half Marathon, 10K
- Munich Marathon — Munich, DE — October 11, 2026 — Marathon, Half Marathon, 10K
- Eindhoven Marathon — Eindhoven, NL — October 11, 2026 — Marathon, Half Marathon, 10K
- Cape Town Marathon — Cape Town, ZA — October 18, 2026 — Marathon, 10K
- Lisbon Marathon — Lisbon, PT — October 18, 2026 — Marathon, Half Marathon
- Antwerp Marathon — Antwerp, BE — October 18, 2026 — Marathon, Half Marathon, 10K
- Buenos Aires Marathon — Buenos Aires, AR — October 18, 2026 — Marathon, Half Marathon, 10K
- Toronto Waterfront Marathon — Toronto, CA — October 18, 2026 — Marathon, Half Marathon, 10K, 5K
- Nairobi Marathon — Nairobi, KE — October 25, 2026 — Marathon, Half Marathon, 10K
- Frankfurt Marathon — Frankfurt, DE — October 25, 2026 — Marathon, Half Marathon
- Dublin Marathon — Dublin, IE — October 25, 2026 — Marathon
- Ljubljana Marathon — Ljubljana, SI — October 25, 2026 — Marathon, Half Marathon, 10K
- Venice Marathon — Venice, IT — October 25, 2026 — Marathon, 10K
- Marine Corps Marathon — Arlington, US — October 25, 2026 — Marathon, 10K
- Beirut Marathon — Beirut, LB — November 8, 2026 — Marathon, Half Marathon, 10K
- Porto Marathon — Porto, PT — November 8, 2026 — Marathon, Half Marathon
- Bangkok Marathon — Bangkok, TH — November 15, 2026 — Marathon, Half Marathon, 10K, 5K
- Philadelphia Marathon — Philadelphia, US — November 22, 2026 — Marathon, Half Marathon
- Ultra-Trail Cape Town — Cape Town, ZA — November 28, 2026 — ultra, Marathon, Half Marathon
- Florence Marathon — Florence, IT — November 29, 2026 — Marathon
- Singapore Marathon — Singapore, SG — December 5, 2026 — Marathon, Half Marathon, 10K, 5K
- Malaga Marathon — Malaga, ES — December 13, 2026 — Marathon, Half Marathon
- Honolulu Marathon — Honolulu, US — December 13, 2026 — Marathon, 10K