Worldwide 2016 – 2017 Ultramarathon Calendar

Looking for a comprehensive guide to 2016 – 2017 ultramarathons organized around the world? You can browse our list of half marathons or filter down the selection to a specific location, month or type of race. You’ll find iconic 100 milers, shorter races to test yourself in the ultra world, road races, mountain races, races in deserts. The diversity of ultra races is really amazing.

We consider any race longer than 42.195km or 26.1mi to be an ultramarathon if it is run in a single stage. If you’re looking for races that have a specific fixed duration (ex : 24hr races), you can check the X-hour race calendar. If you like races run on several stages across several days, check our Multiday race calendar

If you’re looking for new 2013 – 2014 ultramarathons to compete in, this is the place to start searching. More than 1,800 ultramarathons are listed in over 75 countries around the world.

3,148 races

Grand Mesa 100

Grand Mesa 100M
July 30, 2016 Race day in 3 days
USA / Mountain Region / Colorado / Grand Mesa
Ultramarathon - 100 miles
Hilly Trail

Grand Mesa 100

Grand Mesa 37.5M
July 30, 2016 Race day in 3 days
USA / Mountain Region / Colorado / Grand Mesa
Ultramarathon - 60 kilometers
Trail

Grand Mesa 100

Grand Mesa 50M
July 30, 2016 Race day in 3 days
USA / Mountain Region / Colorado / Grand Mesa
Ultramarathon - 50 miles
Trail

Harding Hustle

Harding Hustle 50K
July 30, 2016 Race day in 3 days
USA / Pacific / California / Modjeska Canyon
Ultramarathon - 50 kilometers
Trail Mountain

Hengill Ultra 81km/50km

Hengill Ultra 50km
July 30, 2016 Race day in 3 days
Iceland / Hveragerði
Ultramarathon - 50 kilometers
UTMB Qualifier

Hengill Ultra 81km/50km

Hengill Ultra 81km
July 30, 2016 Race day in 3 days
Iceland / Hveragerði
Ultramarathon - 81 kilometers
UTMB Qualifier

Isalo Raid

Isalo Raid - Grand Raid
July 30, 2016 Race day in 3 days
Madagascar / Ranohira
Ultramarathon - 80 kilometers
Hilly Trail Randorun Ocean Indien

Kanawha Trace 50K/25K/10K Trail Run

Kanawha Trace 50K
July 30, 2016 Race day in 3 days
USA / South Atlantic / West Virginia / Ona
Ultramarathon - 50 kilometers
Trail

Marathon des Gabizos

Marathon des Gabizos
July 30, 2016 Race day in 3 days
France / Midi-Pyrénées / Hautes-Pyrénées / Arrens-Marsous
Ultramarathon - 44 kilometers

DesafíOSOmiedo

Maratón DesafíOSOmiedo
July 30, 2016 Race day in 3 days
Spain / Principality of Asturias / Pola de Somiedo
Ultramarathon - 45 kilometers
UTMB Qualifier Trail Mountain

Minnesota Voyageur Trail 50 Mile Run

July 30, 2016 Race day in 3 days
USA / West North Central / Minnesota / Duluth
Ultramarathon - 50 miles
Trail

Monte Rosa Walser Ultra Trail

Monte Rosa Walser Ultra Trail
July 30, 2016 Race day in 3 days
Italy / Aosta Valley / Gressoney-Saint-Jean
Ultramarathon - 50 kilometers
UTMB Qualifier Trail Mountain

Swiss Alpine Marathon

Swiss Alpine Marathon K78
July 30, 2016 Race day in 3 days
Switzerland / Grisons / Davos
Ultramarathon - 78 kilometers
UTMB Qualifier Trail Mountain

The Montane Lakeland 100

The Montane Lakeland 50
July 30, 2016 Race day in 3 days
United Kingdom / England / East Riding of Yorkshire / Coniston
Ultramarathon - 50 miles
Trail Mountain

Trail Volodalen du Lac de Vouglans

Tour du Lac de Vouglans
July 30, 2016 Race day in 3 days
France / Franche Comté / Jura / Lac de Vouglans
Ultramarathon - 71 kilometers
Hilly Trail