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.

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3,325 races

ULTRA MARATON GARMIN 100 MILLAS (PRIMEROS 62KM)

June 23, 2017 Race day in 1 day
Mexico / Arteaga
Ultramarathon - 160 kilometers

Pacific Crest Friday

50K Trail Runs
June 23, 2017 Race day in 1 day
USA / Pacific / Oregon / Sunriver
Ultramarathon - 50 kilometers
Trail

Rock Lobster Relay

6-Pack (6 Person)
June 23, 2017 Race day in 1 day
USA / New England / Maine / Bar Harbor
Ultramarathon - 200 miles

Marathon du Mont Blanc

80km du Mont-Blanc
June 23, 2017 Race day in 1 day
France / Rhône-Alpes / Haute-Savoie / Chamonix
Ultramarathon - 80 kilometers
UTMB Qualifier Trail Mountain

Black Hills 100

Black Hills 100 Mile
June 23, 2017 Race day in 1 day
USA / West North Central / South Dakota / Sturgis
Ultramarathon - 100 miles
Trail

Gran Trail Peñalara

Gran Trail Peñalara
June 23, 2017 Race day in 1 day
Spain / Madrid / Navacerrada
Ultramarathon - 110 kilometers
UTMB Qualifier Trail Mountain

Gran Trail Peñalara

Gran Trail Peñalara 60km
June 23, 2017 Race day in 1 day
Spain / Madrid / Navacerrada
Ultramarathon - 60 kilometers
UTMB Qualifier Trail Mountain

Lavaredo Ultra Trail

Lavaredo Ultra Trail
June 23, 2017 Race day in 1 day
Italy / Veneto / Auronzo di Cadore
Ultramarathon - 119 kilometers
UTMB Qualifier Trail Mountain

Transkarukera

Rèd Mammel
June 23, 2017 Race day in 1 day
Guadeloupe / Basse-Terre
Ultramarathon - 50 kilometers
Trail Mountain

Rock Lobster Relay

Standard Relay Team (7-12 Person)
June 23, 2017 Race day in 1 day
USA / New England / Maine / Bar Harbor
Ultramarathon - 200 miles
Relay

Rock Lobster Relay

Ultra Relay Team (4-6 Person)
June 23, 2017 Race day in 1 day
USA / New England / Maine / Bar Harbor
Ultramarathon - 200 miles
Relay

Transkarukera

Ultra Transkarukera
June 23, 2017 Race day in 1 day
Guadeloupe / Basse-Terre
Ultramarathon - 120 kilometers
Trail Mountain