2018 - 2019 North America Ultramarathon Calendar

Browse our Ultramarathon Calendar for races organized in North America among 1721 races.

1,721 races

Cowtown Marathon

50K Ultra Marathon presented by Miller Lite
02/25/2018 - 07:00
North America / USA / West South Central / Texas / Fort Worth
Ultramarathon
Road Running

Iditarod Trail Invitational

1000 mile
02/25/2018 - 14:00
North America / USA / Pacific / Alaska / Knik-Fairview
Ultramarathon
Snow UTMB Qualifier Trail Running

Iditarod Trail Invitational

350 mile
02/25/2018 - 14:00
North America / USA / Pacific / Alaska / Knik-Fairview
Ultramarathon
Snow UTMB Qualifier Trail Running

Off the Beaten Track

Relay
02/25/2018
North America / Caribbean / Cayman Islands / Grand Cayman
Ultramarathon
Trail Running Relay

Off the Beaten Track

Off the Beaten Track
02/25/2018
North America / Caribbean / Cayman Islands / Grand Cayman
Ultramarathon
Trail Running

Blood Sweat and Beers Day/Night Trail run

Marathon Moonlight
03/03/2018 - 16:00
North America / USA / Mountain Region / Nevada / Bootleg Canyon
Ultramarathon
Night Race Desert Trail Running Solo

Carl Touchstone Mississippi Trail Runs

50K
03/03/2018
North America / USA / East South Central / Mississippi / De Soto National Forest
Ultramarathon
Trail Running Solo

Carl Touchstone Mississippi Trail Runs

50 Mile
03/03/2018
North America / USA / East South Central / Mississippi / De Soto National Forest
Ultramarathon
Trail Running Solo

Chena River to Ridge Endurance Race

50 Mile
03/03/2018 - 09:00
North America / USA / Pacific / Alaska / Fairbanks
Ultramarathon
Snow Trail Running Solo

Conquer the Rock

Foothils 50K
03/03/2018 - 07:30
North America / USA / South Atlantic / South Carolina / Pickens
Ultramarathon
Running

Cross Florida Route 40 Romp

Cross Florida Route 40 Romp
03/03/2018 - 07:30
North America / USA / South Atlantic / Florida / Yankeetown
Ultramarathon
Road Running Solo

Cross Florida Route 40 Romp

Cross Florida Route 40 Romp - 2 Person Relay
03/03/2018 - 07:30
North America / USA / South Atlantic / Florida / Yankeetown
Ultramarathon
Road Running Relay