Worldwide 2018 – 2019 Ultramarathon Calendar

Looking for a comprehensive guide to 2018 – 2019 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.

3,363 races

Ragnar Relay Wasatch Back

Ragnar Relay Wasatch Back Regular
2018-06-01 - 03:00
North America / USA / Mountain Region / Utah / Logan
Ultramarathon
Road Running Relay

The Arctic Triple

100 Miles Relay
2018-06-01 - 12:00
Europe / Northern Europe / Norway / Lofoten
Ultramarathon
Trail Running Relay

The Arctic Triple

100 Miles
2018-06-01 - 12:00
Europe / Northern Europe / Norway / Lofoten
Ultramarathon
Trail Running Solo

100 miles - Chicamocha Canyon Race

116 km
2018-06-02 - 22:00
South America / Colombia / San Gil
Ultramarathon
Mountain Trail Running Mountain Solo

Bryce Canyon Ultra Marathons

50 Mile
2018-06-02 - 06:00
North America / USA / Mountain Region / Utah / Brice Canyon
Ultramarathon
Mountain Trail Running Mountain Solo

Bryce Canyon Ultra Marathons

50K
2018-06-02 - 08:00
North America / USA / Mountain Region / Utah / Brice Canyon
Ultramarathon
Mountain Trail Running Mountain Solo

Dartmoor Discovery

2018-06-02 - 09:30
Europe / Northern Europe / United Kingdom / England / Devon / Princetown
Ultramarathon
Road Running Solo

Euskal Herria Mendi Erronka

2018-06-02 - 08:00
Europe / Southern Europe / Spain / Basque Country / Leitza
Ultramarathon
Mountain Trail Running Mountain Solo

Glandasstrail

65 km
2018-06-02 - 06:30
Europe / Western Europe / France / Auvergne-Rhône-Alpes / Drôme / Châtillon-en-Diois
Ultramarathon
Trail Running Solo

Glandasstrail

98 km duo
2018-06-02 - 06:30
Europe / Western Europe / France / Auvergne-Rhône-Alpes / Drôme / Châtillon-en-Diois
Ultramarathon
Trail Running Relay

Glandasstrail

98 km
2018-06-02 - 06:30
Europe / Western Europe / France / Auvergne-Rhône-Alpes / Drôme / Châtillon-en-Diois
Ultramarathon
Trail Running Solo

Green Jewel 50K Fun Run

50K 2 Person Relay
2018-06-02 - 07:00
North America / USA / East North Central / Ohio / Rocky River
Ultramarathon
Running
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