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

Zion Ultras

100k
April 07, 2017 Race day in 9 months
USA / Mountain Region / Utah / Springdale
Ultramarathon - 100 kilometers
Hilly Desert Trail Ultra Adventures

Zion Ultras

100 Mile
April 07, 2017 Race day in 9 months
USA / Mountain Region / Utah / Springdale
Ultramarathon - 100 miles
Hilly Desert Trail Ultra Adventures Western States Qualifier

Oxfam Trailwalker Australia - Melbourne

April 07, 2017 Race day in 9 months
Australia / Victoria / Wheelers Hill
Ultramarathon
Walk Charity Team Trail Oxfam Trailwalker

Patagonia Run

Patagonia Run 130k
April 07, 2017 Race day in 9 months
Argentina / San Martín de los Andes
Ultramarathon - 130 kilometers
Trail Western States Qualifier

Brazos Bend 50

25k
April 08, 2017 Race day in 9 months
USA / West South Central / Texas / Needville
Ultramarathon - 25 kilometers
Trail

The Bath Beat

26.5 miles
April 08, 2017 Race day in 9 months
United Kingdom / England / Bath and North East Somerset / Bath
Ultramarathon - 26.500 miles
Walk Trail

Zion Ultras

50K
April 08, 2017 Race day in 9 months
USA / Mountain Region / Utah / Springdale
Ultramarathon - 50 kilometers
Hilly Desert Trail Ultra Adventures

Brazos Bend 50

50K
April 08, 2017 Race day in 9 months
USA / West South Central / Texas / Needville
Ultramarathon - 50 miles
Trail

Henderson Trail Classic

55K
April 08, 2017 Race day in 9 months
USA / Mountain Region / Nevada / McCullough Hills Trail, Henderson
Ultramarathon - 55 kilometers
Trail

Brazos Bend 50

Brazos Bend 50
April 08, 2017 Race day in 9 months
USA / West South Central / Texas / Needville
Ultramarathon - 50 miles
Trail

Diablo Trails Challenge

Diablo Trails Challenge 50K
April 08, 2017 Race day in 9 months
USA / Pacific / California / Walnut Creek
Ultramarathon - 50 kilometers
Brazen Racing Trail

Jabulani Challenge

Jabulani Challenge 45 km
April 08, 2017 Race day in 9 months
Australia / New South Wales / Lindfield
Ultramarathon - 45 kilometers
Walk Charity Trail

Kal-Haven Trail Run

April 08, 2017 Race day in 9 months
USA / East North Central / Michigan / Kalamazoo
Ultramarathon - 33.500 miles
Trail Relay

Patagonia Run

Patagonia Run 100k
April 08, 2017 Race day in 9 months
Argentina / San Martín de los Andes
Ultramarathon - 100 kilometers
UTMB Qualifier Trail Western States Qualifier

Patagonia Run

Patagonia Run 63k
April 08, 2017 Race day in 9 months
Argentina / San Martín de los Andes
Ultramarathon - 63 kilometers
Trail