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.

3,385 races

Great Tartan Skidaddle

2017-04-15 - 06:00
Europe / Northern Europe / United Kingdom / Scotland / Stirling / Callander
Ultramarathon
Running

Hardmoors 200 Ultramarathon

2017-05-05
Europe / Northern Europe / United Kingdom / England / East Riding of Yorkshire / Hull
Ultramarathon
Trail Running

PCT50 Trail Run

2017-05-13 - 06:00
North America / USA / Pacific / California / Cleveland National Forest
Ultramarathon
Trail Running

Heroes Ultra

2017-05-13 - 08:00
Europe / Southern Europe / Greece / Crete Region
Ultramarathon
Running

Gold Rush 50K

2017-05-13
North America / USA / Pacific / California / Folsom
Ultramarathon
Trail Running Solo

Dirty German Endurance Fest

Dirty German 50 Miles
2017-05-13 - 08:00
North America / USA / Mid-Atlantic / Pennsylvania / Pennypack Park, Philadelphia
Ultramarathon
Trail Running

Ultra Trail Picos de Europa

Ultra Trail Picos de Europa 55 km
2017-05-13 - 07:00
Europe / Southern Europe / Spain / Principality of Asturias / Benia de Onis
Ultramarathon
Mountain Trail Running Mountain

Dirty German Endurance Fest

Dirty German 50K
2017-05-13 - 08:00
North America / USA / Mid-Atlantic / Pennsylvania / Pennypack Park, Philadelphia
Ultramarathon
Trail Running

Quad Rock 50

Quad Rock 50
2017-05-13 To be confirmed
North America / USA / Mountain Region / Colorado / Fort Collins
Ultramarathon
Trail Running

Molló Trail

Molló Trail 44 km
2017-05-14 - 08:00
Europe / Southern Europe / Spain / Catalonia / Molló
Ultramarathon
Mountain Trail Running Mountain

Cook's Tour

Glasshouse 50
2017-05-14
Oceania / Australia and New Zealand / Australia / Queensland / Woodford
Ultramarathon
Trail Running

Cook's Tour

Glasshouse 80
2017-05-14
Oceania / Australia and New Zealand / Australia / Queensland / Woodford
Ultramarathon
Trail Running
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