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.

3,303 races

Ultra Great Britain 2018

August 18, 2018 Race day in over 1 year
United Kingdom / Scotland / Dumfries and Galloway / Portpatrick
Ultramarathon - 214 miles

Transylvanian Bear Race

80 km
June 02, 2018 Race day in about 1 year
Romania / Viscri
Ultramarathon - 80 kilometers
Trail

TorTour de Ruhr

May 19, 2018 To be confirmed Race day in about 1 year
Germany / North Rhine-Westphalia / Winterberg/ Duisburg
Ultramarathon - 230 kilometers

Oldham Way Ultra Weekend

March 18, 2018 Race day in 12 months
United Kingdom / Andhra Pradesh / Castleshaw
Ultramarathon - 40 miles
UTMB Qualifier Trail Team OA

Six Foot Track Marathon

March 10, 2018 Race day in 12 months
Australia / New South Wales / Katoomba
Ultramarathon - 45 kilometers
Trail

Seneca Creek Greenway Trail Marathon & 50K

Seneca Creek Greenway Trail 50K
March 03, 2018 Race day in 11 months
USA / South Atlantic / Maryland / Damascus
Ultramarathon - 50 kilometers
Interview

St Peters Way Ultra

February 25, 2018 Race day in 11 months
United Kingdom / England / Essex / Chipping Ongar
Ultramarathon - 45 miles
UTMB Qualifier Trail Challenge Running

Old Ghost Ultra Marathon

February 24, 2018 Race day in 11 months
New Zealand / Westport
Ultramarathon - 85 kilometers
Trail Mountain Relay

Coastal Trail Series - Northumberland

Ultra
February 24, 2018 Race day in 11 months
United Kingdom / England / Northumberland / Bamburgh
Ultramarathon - 34 miles
UTMB Qualifier Endurance Life Trail

Everglades Ultras

Everglades 50K Trail Race
February 17, 2018 Race day in 11 months
USA / South Atlantic / Florida / Fakahatchee Strand Preserve State Park
Ultramarathon - 50 kilometers
Trail

Everglades Ultras

Everglades 50 Mile Trail Race
February 17, 2018 Race day in 11 months
USA / South Atlantic / Florida / Fakahatchee Strand Preserve State Park
Ultramarathon - 50 miles
Trail

Punchbowl Marathon

30 miles
February 11, 2018 Race day in 11 months
United Kingdom / England / Surrey / Witley
Ultramarathon - 30 miles
Walk Trail

Coastal Trail Series- South Devon

Coastal Trail Series - South Devon - Ultra
February 03, 2018 Race day in 10 months
United Kingdom / England / Devon / Beesands
Ultramarathon - 34 miles
Endurance Life Trail

White Continent Marathon, 1/2 Marathon & 50k

White Continent 50K
January 30, 2018 Race day in 10 months
Antartica / King George Island
Ultramarathon - 50 kilometers
Polar Package tour Extreme

Ultra Trail d’Angkor

Bayon Trail Angkor 64 km
January 19, 2018 Race day in 10 months
Cambodia / Angkor
Ultramarathon - 64 kilometers
Package tour Trail