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.

3,271 races

The Marathon, the Half Marathon and the Road Running of Arad

Ultramaraton 52,75 km
May 27, 2017 The race has already taken place.
Romania / Arad
Ultramarathon - 52 kilometers
Road Running

Ultra Trail de Côte-d'Or

Ultra Trail de Côte-d'Or
May 27, 2017 The race has already taken place.
France / Burgundy / Saône-et-Loire / Chagny
Ultramarathon - 105 kilometers
UTMB Qualifier Hilly Trail Relay

Ultra Trail du Périgord

Ultra trail du perigord 105 km
May 27, 2017 The race has already taken place.
France / Aquitaine / Dordogne / Lalinde
Ultramarathon - 105 kilometers
Trail

Scotiabank Calgary Marathon

50K Ultra
May 28, 2017 Race day !
Canada / Alberta / Calgary
Ultramarathon - 50 kilometers
Charity Road Running

Rond' Yonne

61 km
May 28, 2017 To be confirmed Race day !
France / Burgundy / Yonne / Domats
Ultramarathon - 61 kilometers
Relay

Trail du Hautacam

62 km
May 28, 2017 Race day !
France / Midi-Pyrénées / Hautes-Pyrénées / Beaucens
Ultramarathon - 62 kilometers
Trail Mountain

Alpago EcoMarathon

Alpago EcoMarathon
May 28, 2017 Race day !
Italy / Veneto / Puos d'Alpago
Ultramarathon - 50 kilometers
Trail Mountain

Scotiabank Calgary Marathon

Confederation 150K Relay
May 28, 2017 Race day !
Canada / Alberta / Calgary
Ultramarathon - 150 kilometers
Charity Road Running Relay

Gran Trail Rensen

Gran Trail Rensen
May 28, 2017 Race day !
Italy / Liguria / Arenzano
Ultramarathon - 62 kilometers
UTMB Qualifier Trail Mountain

Pineland Farms Trail Running Festival

Pineland Farms 50K Trail
May 28, 2017 Race day !
USA / New England / Maine / New Gloucester
Ultramarathon - 50 kilometers
Hilly Trail

Pineland Farms Trail Running Festival

Pineland Farms 50 Mile Trail
May 28, 2017 Race day !
USA / New England / Maine / New Gloucester
Ultramarathon - 50 miles
Hilly Trail

Wyoming Marathon Races

Rocky Mountain 50k
May 28, 2017 Race day !
USA / Mountain Region / Wyoming / Laramie
Ultramarathon - 50 kilometers
Charity Road Running

Severn Challenge

Severn Way Ultra
May 28, 2017 Race day !
United Kingdom / England / Worcestershire / Holt Castle
Ultramarathon - 58 miles
Road Running Ultra Running Ltd

Maxi Race Trail du Lac d'Annecy

Technica Maxi Race
May 28, 2017 Race day !
France / Rhône-Alpes / Haute-Savoie / Annecy-le-Vieux
Ultramarathon - 85 kilometers
UTMB Qualifier Trail Mountain

Trail Alta Val Nure

Trail Alta Val Nure 60 km
May 28, 2017 Race day !
Italy / Emilia-Romagna / Bettola
Ultramarathon - 60 kilometers
UTMB Qualifier Trail