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

SwissPeaks Trail

170 km
September 08, 2017 Race day in 6 months
Switzerland / Valais / Le Bouveret
Ultramarathon - 170 kilometers
UTMB Qualifier Trail Mountain

Woodstock Festival of Races

Hallucination 100 Mile
September 08, 2017 Race day in 6 months
USA / East North Central / Michigan / Pinckney
Ultramarathon - 100 miles
Hilly Trail Midwest Grand Slam of Ultrarunning Western States Qualifier

L'infernal Trail des Vosges

L'infernal 200 km
September 08, 2017 Race day in 6 months
France / Lorraine / Vosges / Saint-Nabord
Ultramarathon - 200 kilometers
UTMB Qualifier Trail Mountain Challenge Ultra Mountain National Tour

Woodstock Festival of Races

LSD 100K
September 08, 2017 Race day in 6 months
USA / East North Central / Michigan / Pinckney
Ultramarathon - 100 kilometers
Hilly Trail Midwest Grand Slam of Ultrarunning

Pumpkinhead Trail Relay

Standard Relay Team (5-8 Person)
September 08, 2017 Race day in 6 months
USA / New England / Maine / New Gloucester
Ultramarathon - 128 miles
Trail Relay

Fall Superior Trail Races

Superior Sawtooth 100 Mile
September 08, 2017 Race day in 6 months
USA / West North Central / Minnesota / Lutsen
Ultramarathon - 100 miles
UTMB Qualifier Trail

Pumpkinhead Trail Relay

Ultra Relay Team (4 Person)
September 08, 2017 Race day in 6 months
USA / New England / Maine / New Gloucester
Ultramarathon - 128 miles
Trail Relay

Wasatch Front 100 Mile Endurance Run

September 08, 2017 Race day in 6 months
USA / Mountain Region / Utah / Layton
Ultramarathon - 100 miles
UTMB Qualifier Trail Western States Qualifier

Surf Coast Century

100 km
September 09, 2017 Race day in 7 months
Australia / Victoria / Anglesea
Ultramarathon - 100 kilometers
Trail

100 Miles – Around the isle of Mors

September 09, 2017 Race day in 7 months
Denmark / Nordjylland / Nykøbing Mors
Ultramarathon - 100 miles

Ultratrail Mëllerdall

112 km
September 09, 2017 Race day in 7 months
Luxembourg / Müllerthal
Ultramarathon - 112 kilometers
UTMB Qualifier Hilly Trail

The North Face Ultra-Trail Harricana de Charlevoix (UTHC)

125 km
September 09, 2017 Race day in 7 months
Canada / Quebec / La Malbaie
Ultramarathon - 125 kilometers
Trail Fund raising

Table Mountain Challenge

September 09, 2017 Race day in 7 months
South Africa / Cape Town
Ultramarathon - 44 kilometers
UTMB Qualifier Trail Energy Events Relay

Swiss Peaks Trail

45K
September 09, 2017 Race day in 7 months
Switzerland / Valais / Le Bouveret
Ultramarathon - 45 kilometers
UTMB Qualifier Trail Mountain

SwissPeaks Trail

45 km
September 09, 2017 Race day in 7 months
Switzerland / Valais / Le Bouveret
Ultramarathon - 45 kilometers
UTMB Qualifier Trail Mountain