2017 - 2018 North America X-hour race Calendar

Browse our Calendar for X-hour races (races where the duration is fixed) organized in North America among 337 races.

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337 races

Black Toe Run

January 28, 2017 Race day in 4 days
USA / East South Central / Tennessee / Watertown
X-hour race - 12 hours
Hilly Trail Relay

Icy 8-HOUR ATR

February 04, 2017 Race day in 11 days
USA / South Atlantic / Virginia / Spotsylvania
X-hour race - 8 hours
Trail

Jackpot Ultra Running Festival

12 Hour
February 17, 2017 Race day in 24 days
USA / Mountain Region / Nevada / Las Vegas
X-hour race - 12 hours

Jackpot Ultra Running Festival

48 Hour
February 17, 2017 Race day in 24 days
USA / Mountain Region / Nevada / Las Vegas
X-hour race - 48 hours

SCT Dawn to Dusk 12 Hour Team Challenge

12 Hour Individual Challenge
February 18, 2017 Race day in 25 days
USA / South Atlantic / Florida / Sanford
X-hour race - 12 hours

SCT Dawn to Dusk 12 Hour Team Challenge

12 Hour Team Relay Challenge
February 18, 2017 Race day in 25 days
USA / South Atlantic / Florida / Sanford
X-hour race - 12 hours
Relay

Jackpot Ultra Running Festival

24 Hour
February 18, 2017 Race day in 25 days
USA / Mountain Region / Nevada / Las Vegas
X-hour race - 24 hours

Jackpot Ultra Running Festival

6 Hour
February 18, 2017 Race day in 25 days
USA / Mountain Region / Nevada / Las Vegas
X-hour race - 6 hours

North Coast 24-Hour Endurance Run

North Coast 12-Hour Endurance Run (Sep)
February 18, 2017 Race day in 25 days
USA / East North Central / Ohio / Cleveland
X-hour race - 12 hours

North Coast 24-Hour Endurance Run

North Coast 24-Hour Endurance Run (Sep)
February 18, 2017 Race day in 25 days
USA / East North Central / Ohio / Cleveland
X-hour race - 24 hours

Riverbank One Day Classic

12 H
February 25, 2017 Race day in about 1 month
USA / Pacific / California / Riverbank
X-hour race - 12 hours
Charity

Riverbank One Day Classic

24 H
February 25, 2017 Race day in about 1 month
USA / Pacific / California / Riverbank
X-hour race - 24 hours
Charity Track Relay

Delano Park

Delano Park 12 Hour Run
March 04, 2017 Race day in about 1 month
USA / East South Central / Alabama / Decatur
X-hour race - 12 hours
Relay

Lake to Lake Team Relay & Ultra

March 04, 2017 Race day in about 1 month
USA / Mountain Region / Utah / Gunlock
X-hour race - 50 miles
Relay

A Stroll In Central Park Endurance Runs

A Stroll In Central Park 12-Hour Endurance Run
March 11, 2017 Race day in about 2 months
USA / South Atlantic / Georgia / Cumming
X-hour race - 12 hours
Flat Road Running