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.

3,440 races

Athens International Ultramarathon Festival

1000 miles
01/25/2018
Europe / Southern Europe / Greece / Athens
Ultramarathon
Running

HallenMarathon

100 km Lauf
01/26/2018
Europe / Western Europe / Germany / Brandenburg / Senftenberg
Ultramarathon
Running

The Great White Rann – Run of Kutch

135 Miles
01/26/2018
Asia / Southern Asia / India / Gujarat / Rann of Kutch
Ultramarathon
Trail Running

The Great White Rann – Run of Kutch

160 km
01/26/2018 - 05:00
Asia / Southern Asia / India / Gujarat / Rann of Kutch
Ultramarathon
UTMB Qualifier Trail Running

The Great White Rann – Run of Kutch

50 km
01/26/2018 - 06:00
Asia / Southern Asia / India / Gujarat / Rann of Kutch
Ultramarathon
Trail Running

AZT Oracle Rumble

50k
01/27/2018 - 07:30
North America / USA / Mountain Region / Arizona / Oracle
Ultramarathon
Trail Running

AZT Oracle Rumble

50 Mile-Relay
01/27/2018 - 07:30
North America / USA / Mountain Region / Arizona / Oracle
Ultramarathon
Trail Running

AZT Oracle Rumble

50 Miles
01/27/2018 - 07:30
North America / USA / Mountain Region / Arizona / Oracle
Ultramarathon
Trail Running

Cape Cod Frozen Fat Ass

50 km
01/27/2018 - 08:00
North America / USA / New England / Massachusetts / Barnstable
Ultramarathon
Sand Trail Running Multiple loops

Folsom Lake Sweet Water Trail Run

50K Run
01/27/2018 - 08:00 To be confirmed
North America / USA / Pacific / California / Folsom
Ultramarathon
Trail Running Hilly

Kahtoola Bigfoot Snowshoe Festival

50K
01/27/2018 - 08:00
North America / USA / Mountain Region / Utah / Midway
Ultramarathon
Snow Running

Le Raid 28

UltraRaid 28
01/27/2018 - 15:00
Europe / Western Europe / France / Ile de France / Essonne / Burres-Sur-Yvette
Ultramarathon
UTMB Qualifier Trail Running
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