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.

3,266 races

Skyline Mountain Marathon

Skyline Mountain 50K
August 19, 2017 Race day in 6 months
USA / Mountain Region / Utah / Eden
Ultramarathon - 50 kilometers
Trail Mountain

Squamish 50

Squamish 50
August 19, 2017 Race day in 6 months
Canada / British Columbia / Squamish
Ultramarathon - 50 miles
Hilly Trail Relay

SuperTrail du Barlatay

Trail du Barlatay
August 19, 2017 Race day in 6 months
Switzerland / Vaud / L'Etivaz
Ultramarathon - 46 kilometers
UTMB Qualifier Trail Mountain

Ultra Great Britain

August 19, 2017 Race day in 6 months
United Kingdom / England / Southport
Ultramarathon - 200 miles
Road Running Urban Trail Trail

Ultra Trail Parque Los Nevados

Ultra Trail Parque Los Nevados - 59 km
August 19, 2017 Race day in 6 months
Colombia / Parque Nacional Natural Los Nevados
Ultramarathon - 59 kilometers
Trail Mountain

Ultra Trail Parque Los Nevados

Ultra Trail Parque Los Nevados - 93 km
August 19, 2017 Race day in 6 months
Colombia / Parque Nacional Natural Los Nevados
Ultramarathon - 93 kilometers
UTMB Qualifier Trail Mountain

Ultra Vasan 90

UltraVasan 45 K
August 19, 2017 Race day in 6 months
Sweden / Sälen
Ultramarathon - 45 kilometers
Trail

Ultra Vasan 90

UltraVasan 90K
August 19, 2017 Race day in 6 months
Sweden / Sälen
Ultramarathon - 90 kilometers
UTMB Qualifier Trail

Waldo

August 19, 2017 Race day in 6 months
USA / Pacific / Oregon / Willamette Pass
Ultramarathon - 100 kilometers
Trail Oregon Trail Ultra Marathon Series Western States Qualifier

Kuranda to Port Douglas Ultra Trail Marathon

Kuranda to Port Douglas Ultra Trail Marathon
August 20, 2017 Race day in 6 months
Australia / Queensland / Kuranda
Ultramarathon - 64 kilometers
Trail

Squamish 50

Squamish 50K
August 20, 2017 Race day in 6 months
Canada / British Columbia / Squamish
Ultramarathon - 50 kilometers
UTMB Qualifier Hilly Trail Relay

Anchorage RunFest

United Physical Therapy 49K Ultra
August 20, 2017 Race day in 6 months
USA / Pacific / Alaska / Anchorage
Ultramarathon - 49 kilometers

Hood to Coast Relay

August 25, 2017 To be confirmed Race day in 6 months
USA / Pacific / Oregon / Mt Hood
Ultramarathon - 199 miles
Relay

L'Echappée Belle

La Traversée Nord
August 25, 2017 Race day in 6 months
France / Rhône-Alpes / Isère / Vizille
Ultramarathon - 85 kilometers
UTMB Qualifier Trail Mountain

L'Echappée Belle

L'Echappée Belle Intégrale
August 25, 2017 Race day in 6 months
France / Rhône-Alpes / Isère / Vizille
Ultramarathon - 144 kilometers
UTMB Qualifier Trail Mountain Relay