Worldwide 2016 – 2017 Ultramarathon Calendar

Looking for a comprehensive guide to 2016 – 2017 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.

3,185 races

Northwest Passage Marathon at Arctic Watch Wilderness Lodge

Northwest Passage Ultra Marathon
2016-06-30
Canada / Nunavut / Somerset Island
Ultramarathon - 55 kilometers
Hilly Polar Mud Package tour Green Trail Mountain

Thüringen ULTRA

100 km
2016-07-01
Germany / Thuringia / Fröttstädt
Ultramarathon - 100 kilometers
Relay

Thüringen ULTRA

100 Meilen
2016-07-01
Germany / Thuringia / Fröttstädt
Ultramarathon - 100 miles
Relay

UAI Ultra dos Anjos Internacional 235 km

135 km Hard
2016-07-01
Brazil / Passa Quatro
Ultramarathon - 135 kilometers
Relay

UAI Ultra dos Anjos Internacional 235 km

235 km X-Hard
2016-07-01
Brazil / Passa Quatro
Ultramarathon - 235 kilometers
Relay

Thüringen ULTRA

2 x 50 km
2016-07-01
Germany / Thuringia / Fröttstädt
Ultramarathon - 100 kilometers
Relay

Thüringen ULTRA

4 x 25 km
2016-07-01
Germany / Thuringia / Fröttstädt
Ultramarathon - 100 kilometers
Relay

UAI Ultra dos Anjos Internacional 235 km

65 km Easy
2016-07-01
Brazil / Passa Quatro
Ultramarathon - 65 kilometers
Relay

UAI Ultra dos Anjos Internacional 235 km

95 km Medium
2016-07-01
Brazil / Passa Quatro
Ultramarathon - 95 kilometers
Relay

Lovers Leap of Faith

100K
2016-07-02
USA / Pacific / California / Strawberry
Ultramarathon - 100 kilometers

Lake District's ULTIMATE Trails Challenge

100 km
2016-07-02
United Kingdom / England / Cumbria / Brockhole
Ultramarathon - 110 kilometers
UTMB Qualifier Trail Mountain

Lovers Leap of Faith

100 Mile
2016-07-02
USA / Pacific / California / Strawberry
Ultramarathon - 100 miles

Chicamocha Run

110 km
2016-07-02
Colombia / Málaga
Ultramarathon - 110 kilometers
UTMB Qualifier Trail Mountain

Chicamocha Run

160 km
2016-07-02
Colombia / Málaga
Ultramarathon - 160 kilometers
UTMB Qualifier Trail Mountain

Lovers Leap of Faith

50K
2016-07-02
USA / Pacific / California / Strawberry
Ultramarathon - 50 kilometers