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.

4,010 races

Trail des Gueules Noires

2018-12-22 - 08:30
Europe / Western Europe / Belgium / Wallonia / Blegny
Ultramarathon
Trail Running Solo

Charleston 100

2018-12-28
North America / USA / South Atlantic / South Carolina / Charleston
Ultramarathon
Road Running Solo

Tuscobia Winter Ultramarathon

160 Mile Run
2018-12-28 - 06:00
North America / USA / East North Central / Wisconsin / Park Falls
Ultramarathon
Iditarod Trail Invitational Qualifier Trail Running

Tuscobia Winter Ultramarathon

80 Mile Run
2018-12-28 - 10:00
North America / USA / East North Central / Wisconsin / Park Falls
Ultramarathon
Trail Running

Boyers Furnace

2018-12-29 - 07:30
North America / USA / South Atlantic / Virginia / Fort Valley
Ultramarathon
Trail Running Solo

Round the Bay Relay and Ultra

2018-12-29
North America / USA / South Atlantic / Florida / Fort Walton Beach
Ultramarathon
Road Running Solo

RunOrDrop 50k/30k @Norbuck Park

50K
2018-12-29
North America / USA / West South Central / Texas / Dallas
Ultramarathon
Trail Running Multiple loops Solo

SM Loop

SMU-Loop
2018-12-29
Europe / Western Europe / Netherlands / Limburg / Meerssen
Ultramarathon
Road Running Solo

The HUFF 50K Trail Run and Relay

HUFF 50K Trail Run relay
2018-12-29 - 08:00
North America / USA / East North Central / Indiana / Albion
Ultramarathon
Trail Running Relay

The HUFF 50K Trail Run and Relay

HUFF 50K Trail Run Solo
2018-12-29 - 08:15
North America / USA / East North Central / Indiana / Albion
Ultramarathon
Trail Running Solo

Buckskin Ridge

2018-12-31
North America / USA / Pacific / Washington / Winthrop
Ultramarathon
Trail Running Single loop Solo

Chinook Pass

2018-12-31
North America / USA / Ashford
Ultramarathon
Trail Running Single loop Solo

Graves Creek

2018-12-31
North America / USA / Pacific / Washington / Quinault
Ultramarathon
Trail Running Single loop Solo

La Bohn Traverse

2018-12-31
North America / USA / Pacific / Washington / Skykomish
Ultramarathon
Trail Running Point to Point Solo

Loowit Trail

2018-12-31
North America / USA / Pacific / Washington / Cougar
Ultramarathon
Trail Running Single loop Solo
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