2017 - 2018 USA X-hour race Calendar

Browse our Calendar for X-hour races (races where the duration is fixed) organized in USA among 304 races.

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304 races

Beyond Limits Ultra and BLU Relentless

Beyond Limits Ultra and BLU Relentless 24 Hour
April 06, 2017 Race day in 10 days
USA / Pacific / California / Mountain Center
X-hour race - 24 hours
Trail Mountain

Beyond Limits Ultra and BLU Relentless

Beyond Limits Ultra and BLU Relentless 48 Hour
April 06, 2017 Race day in 10 days
USA / Pacific / California / Mountain Center
X-hour race - 48 hours
Trail Mountain

Beyond Limits Ultra and BLU Relentless

Beyond Limits Ultra and BLU Relentless 72 Hour
April 06, 2017 Race day in 10 days
USA / Pacific / California / Mountain Center
X-hour race - 72 hours
Trail Mountain

1 Day for the K.I.A.

April 08, 2017 Race day in 12 days
USA / East North Central / Ohio / Ohio State University
X-hour race - 24 hours
Charity Relay

Maria's Spring Fling 3 Hour / 6 Hour Run for Epilepsy

Maria's Spring Fling 3 Hour Run for Epilepsy
April 08, 2017 Race day in 12 days
USA / South Atlantic / Georgia / Kennesaw
X-hour race - 3 hours
Charity

Maria's Spring Fling 3 Hour / 6 Hour Run for Epilepsy

Maria's Spring Fling 6 Hour Run for Epilepsy
April 08, 2017 Race day in 12 days
USA / South Atlantic / Georgia / Kennesaw
X-hour race - 6 hours
Charity

Jordan Lake 12-Hour Challenge

April 15, 2017 Race day in 19 days
USA / South Atlantic / North Carolina / New Hill
X-hour race - 12 hours

Self-Transcendence Six and Ten Day Race

Self-Transcendence Ten Day Race
April 17, 2017 Race day in 21 days
USA / Mid-Atlantic / New York / Flushing Meadow Park
X-hour race - 10 days

Double Top 100

72 Hour
April 20, 2017 Race day in 24 days
USA / South Atlantic / Georgia / Ft Mountain State Park, Chatsworth
X-hour race - 72 hours
Trail

DoubleTop 100

72-Hour
April 20, 2017 Race day in 24 days
USA / South Atlantic / Georgia / Ft Mountain State Park
X-hour race - 72 hours
Hilly Fun Trail Fast

Self-Transcendence Six and Ten Day Race

Self-Transcendence Six Day Race
April 21, 2017 Race day in 25 days
USA / Mid-Atlantic / New York / Flushing Meadow Park
X-hour race - 6 days

Razorback Endurance Race

Razorback 72H Endurance Race
April 22, 2017 Race day in 26 days
USA / Pacific / California / San Martin
X-hour race - 72 hours

Razorback Endurance Race

Razorback 48H Endurance Race
April 23, 2017 Race day in 27 days
USA / Pacific / California / San Martin
X-hour race - 48 hours

Razorback Endurance Race

Razorback 24H Endurance Race
April 24, 2017 Race day in 28 days
USA / Pacific / California / San Martin
X-hour race - 24 hours

24-Hour Adventure Trail Run

April 29, 2017 Race day in about 1 month
USA / South Atlantic / Virginia / Triangle
X-hour race - 24 hours
Trail