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

Sulphur Springs Trail Race

200 Mile
May 25, 2017 Race day in 1 day
Canada / Ontario / Ancaster
Ultramarathon - 200 miles
Trail Relay

Trail des 3 Rocs

52 km
May 25, 2017 Race day in 1 day
France / Midi-Pyrénées / Tarn-et-Garonne / Saint Antonin Noble Val
Ultramarathon - 52 kilometers
Hilly Trail

Les Foulées Cauchoises

60 km
May 25, 2017 Race day in 1 day
France / Upper Normandy / Seine-Maritime / Yvetot
Ultramarathon - 60 kilometers

Les Foulées Cauchoises

60 km Relais
May 25, 2017 Race day in 1 day
France / Upper Normandy / Seine-Maritime / Yvetot
Ultramarathon - 60 kilometers
Relay

Severn Challenge

Hafren Ultra
May 25, 2017 Race day in 1 day
United Kingdom / England / Worcestershire / Holt Castle
Ultramarathon - 27 miles
Road Running Ultra Running Ltd

Pigtails Challenge

Pigtails 200 Mile Challenge
May 25, 2017 Race day in 1 day
USA / Pacific / Washington / Lake Youngs Watershed
Ultramarathon - 200 miles
Trail

Steinburg - Ultra - Marathon

Steinburg - Ultra - Marathon 43.1 km
May 25, 2017 Race day in 1 day
Germany / Schleswig-Holstein / Hohenaspe
Ultramarathon - 43.100 kilometers

Steinburg - Ultra - Marathon

Steinburg - Ultra - Marathon 50 km
May 25, 2017 Race day in 1 day
Germany / Schleswig-Holstein / Hohenaspe
Ultramarathon - 50 kilometers

Über Drüber Marathon

Über Drüber UltraMarathon
May 25, 2017 Race day in 1 day
Austria / Micheldorf in Oberoesterreich
Ultramarathon - 63.300 kilometers
Hilly

Westerwaldlauf

Westerwaldlauf 50 km
May 25, 2017 Race day in 1 day
Germany / Rhineland-Palatinate / Rengsdorf
Ultramarathon - 50 kilometers
Trail

Ultrathlétic Ardèche

205,5 km
May 26, 2017 Race day in 2 days
France / Rhône-Alpes / Ardèche / Privas
Ultramarathon - 205.500 kilometers

Fiambala Desert Trail

80KX2D
May 26, 2017 Race day in 2 days
Argentina / Fiambala
Ultramarathon - 80 kilometers
Hilly Desert Trail

Euskal Trails

Euskal Trails - Ultra Trail
May 26, 2017 Race day in 2 days
France / Aquitaine / Pyrénées-Atlantiques / Urepele
Ultramarathon - 130 kilometers
Hilly Team Trail

Ultimate Race

Half - ultimate race
May 26, 2017 Race day in 2 days
France / Provence-Alpes-Côte d'Azur / Bouches-du-Rhône / Marseille
Ultramarathon - 64 kilometers
UTMB Qualifier Hilly Trail

NUTS Karhunkierros Trail Ultra

NUTS Karhunkierros Trail Ultra - 160 km
May 26, 2017 Race day in 2 days
Finland / Oulu / Kuusamo
Ultramarathon - 160 kilometers
UTMB Qualifier Trail