Worldwide 2017 – 2018 Ultramarathon Calendar

Looking for a comprehensive guide to 2017 – 2018 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.

3,270 races

Ultra Trail Sierras del Bandolero

150 km
March 03, 2017 Race day in 5 days
Spain / Andalusia / Prado del Re, Cádiz
Ultramarathon - 150 kilometers
UTMB Qualifier Trail Western States Qualifier Mountain

Ultra Trail Sierras del Bandolero

73 km
March 03, 2017 Race day in 5 days
Spain / Andalusia / Prado del Re, Cádiz
Ultramarathon - 73 kilometers
UTMB Qualifier Trail Mountain

Wild Women on Top Sydney Coastrek 50-100 km Team Challenge

Wild Women on Top Sydney Coastrek 100 km Team Challenge
March 03, 2017 Race day in 5 days
Australia / New South Wales / Palm Beach
Ultramarathon - 100 kilometers
Walk Charity Team

Wild Women on Top Sydney Coastrek 50-100 km Team Challenge

Wild Women on Top Sydney Coastrek 50 km Team Challenge Day: Party All Night
March 03, 2017 Race day in 5 days
Australia / New South Wales / Palm Beach
Ultramarathon - 50 kilometers
Walk Charity Team

Wild Women on Top Sydney Coastrek 50-100 km Team Challenge

Wild Women on Top Sydney Coastrek 50 km Team Challenge Day: Sun, Sand, Surf
March 03, 2017 Race day in 5 days
Australia / New South Wales / Palm Beach
Ultramarathon - 50 kilometers
Walk Charity Team

Tinajas Ultras

100K
March 04, 2017 Race day in 6 days
USA / West South Central / Texas / Bend
Ultramarathon - 100 kilometers
Tejas Trails Trail

Ultra-thonnerieux

March 04, 2017 Race day in 6 days
France / Brittany / Finistère / Plouigneau
Ultramarathon - 100 kilometers

Tinajas Ultras

50K
March 04, 2017 Race day in 6 days
USA / West South Central / Texas / Bend
Ultramarathon - 50 kilometers
Tejas Trails Trail

Lahntallauf

50 km Ultramarathon
March 04, 2017 Race day in 6 days
Germany / Hesse / Marburg
Ultramarathon - 50 kilometers

Old West Trails Fest

50K Ultra
March 04, 2017 Race day in 6 days
USA / Pacific / California / Julian
Ultramarathon - 50 kilometers
Desert Trail

Black Mountain Trail

Black Mountain Trail - 50 km
March 04, 2017 Race day in 6 days
France / Midi-Pyrénées / Tarn / Saint Amans Soult
Ultramarathon - 50 kilometers
Trail Mountain

Buddhist Stupa Trail Marathon

March 04, 2017 Race day in 6 days
Nepal / Kathmandu
Ultramarathon - 50 kilometers
Trail

Carl Touchstone Mississippi Trail Runs

Carl Touchstone Mississippi Trail 50 K
March 04, 2017 Race day in 6 days
USA / East South Central / Mississippi / De Soto National Forest
Ultramarathon - 50 kilometers
Trail

Carl Touchstone Mississippi Trail Runs

Carl Touchstone Mississippi Trail 50 Mile
March 04, 2017 Race day in 6 days
USA / East South Central / Mississippi / De Soto National Forest
Ultramarathon - 50 miles
Trail

Delano Park

Delano Park 50 Mile Solo
March 04, 2017 Race day in 6 days
USA / East South Central / Alabama / Decatur
Ultramarathon - 50 miles
Relay