2017 - 2018 North America Ultramarathon Calendar

Browse our Ultramarathon Calendar for races organized in North America among 1477 races.

1,477 races

Jack Bristol Lake Waramaug

Jack Bristol Lake Waramaug 100k
April 30, 2017 Race day in 1 day
USA / New England / Connecticut / New Preston
Ultramarathon - 100 kilometers

Jack Bristol Lake Waramaug

Jack Bristol Lake Waramaug 50k
April 30, 2017 Race day in 1 day
USA / New England / Connecticut / New Preston
Ultramarathon - 50 kilometers

Jack Bristol Lake Waramaug

Jack Bristol Lake Waramaug 50M
April 30, 2017 Race day in 1 day
USA / New England / Connecticut / New Preston
Ultramarathon - 50 miles

Palm Bluff Trail Race and Ultra "Margaritas & Manure"

Palm Bluff Trail Race and Ultra "Margaritas & Manure" 50K
April 30, 2017 Race day in 1 day
USA / South Atlantic / Florida / Osteen
Ultramarathon - 50 kilometers
Trail

Palm Bluff Trail Race and Ultra "Margaritas & Manure"

Palm Bluff Trail Race and Ultra "Margaritas & Manure" 50M
April 30, 2017 Race day in 1 day
USA / South Atlantic / Florida / Osteen
Ultramarathon - 50 miles
Trail

Running Fit Trail Weekend

Running Fit Trail 50K
April 30, 2017 Race day in 1 day
USA / East North Central / Michigan / Pinckney
Ultramarathon - 50 kilometers
RunningFit Hilly Trail

The Ironmasters Challenge

The Ironmasters Challenge - 50K Ultra
April 30, 2017 Race day in 1 day
USA / Mid-Atlantic / Pennsylvania / Pine Grove Furnace State Park, Gardners
Ultramarathon - 50 kilometers
Walk Trail

Trail Marathon, Half Marathon, 50K, Road Ends 5 Mile

Trail 50K
April 30, 2017 Race day in 1 day
USA / East North Central / Michigan / Silver Lake, Pinckney
Ultramarathon - 50 kilometers
Trail

PEAK Ultra Marathon

30 Miles
May 04, 2017 Race day in 5 days
USA / New England / Vermont / Pittsfield
Ultramarathon - 30 miles
Trail

Tchimbé Raid

Tchimbé Raid
May 05, 2017 Race day in 6 days
Martinique / Camp de Balata
Ultramarathon - 91 kilometers
Trail Mountain

Cures for the Colors

100 Mile
May 06, 2017 Race day in 7 days
USA / South Atlantic / North Carolina / Goldsboro
Ultramarathon - 100 miles

Wildflower Half

50K
May 06, 2017 Race day in 7 days
USA / West South Central / Texas / Bastrop
Ultramarathon - 50 kilometers

Wild Wild West Marathon

50K Ultra
May 06, 2017 Race day in 7 days
USA / Pacific / California / Lone Pine
Ultramarathon - 50 kilometers
Trail Mountain

Hachie 50 Marathon, Ultra and Relay

50k Ultra-marathon
May 06, 2017 Race day in 7 days
USA / West South Central / Texas / Waxahachie
Ultramarathon - 50 kilometers

Hachie 50 Marathon, Ultra and Relay

50 Mile Ultra-marathon
May 06, 2017 Race day in 7 days
USA / West South Central / Texas / Waxahachie
Ultramarathon - 50 miles