2017 - 2018 X-hour race Calendar in August

Browse our Calendar for X-hour races (races where the duration is fixed) organized around the world during the month of August among 36 races.

Refine by

36 races

Brazil Multiday Ultra Challenge

48 hours
August 02, 2017 Race day in about 1 month
Brazil / Sao José dos Campos
X-hour race - 48 hours

Brazil Multiday Ultra Challenge

24 hours
August 03, 2017 Race day in about 1 month
Brazil / Sao José dos Campos
X-hour race - 24 hours

Run 24

August 04, 2017 Race day in about 1 month
USA / East North Central / Michigan / McGinnis Road
X-hour race - 24 hours
Team Relay

RUN 24 Holly

August 04, 2017 Race day in about 1 month
USA / East North Central / Michigan / Holly
X-hour race - 24 hours

Mosquito Hill Endurance Runs

24 Hour Run
August 05, 2017 Race day in about 1 month
USA / East North Central / Wisconsin / New London
X-hour race - 24 hours
Trail

24-Hour Run For Dreams

August 05, 2017 Race day in about 1 month
USA / East South Central / Kentucky / Shelbyville
X-hour race - 24 hours
Charity

6 Ore di Curinga

6 Ore di Curinga
August 05, 2017 Race day in about 1 month
Italy / Calabria / Curinga
X-hour race - 6 hours
Road Running Relay

Ellenden Farm Frolic

3-Hour
August 07, 2017 Race day in about 1 month
United Kingdom / England / Worcestershire / WR11 8LU
X-hour race - 3 hours

Ellenden Farm Frolic

6-Hour
August 07, 2017 Race day in about 1 month
United Kingdom / England / Worcestershire / WR11 8LU
X-hour race - 6 hours

Sweltering Summer Ultra and Marathon

8 Hour
August 12, 2017 Race day in about 2 months
USA / New England / Massachusetts / Pittsfield
X-hour race - 8 hours
Charity BURCS Race Series

12 Hour Run : Mumbai Ultra

August 13, 2017 Race day in about 2 months
India / Maharashtra / Mumbai
X-hour race - 12 hours

Anchor Down Ultra

12-Hr
August 18, 2017 Race day in about 2 months
USA / New England / Rhode Island / Bristol
X-hour race - 12 hours