2017 - 2018 Ultramarathon Calendar in August

Browse our Ultramarathon Calendar for races organized around the world during the month of August among 271 races.

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271 races

Mongolia Sunrise to Sunset

Mongolia Sunrise to Sunset 100K
August 02, 2017 Race day in 2 months
Mongolia / Lake Hovsgol National Park
Ultramarathon - 100 kilometers
Trail

adidas Elbrus World Race

Elbrus Mountain Race
August 03, 2017 Race day in 2 months
Russia / Mount Elbrus
Ultramarathon - 112 kilometers
UTMB Qualifier Trail Mountain

Bèrghem Ultra100 Gaea Norvegica Trail

August 04, 2017 Race day in 2 months
Norway / Bringbu
Ultramarathon - 100 miles
Trail

Ouray 100 Mile Endurance Run

102.1 Miles
August 04, 2017 Race day in 2 months
USA / Mountain Region / Colorado / Ouray
Ultramarathon - 102.100 miles
Trail Mountain Ever Run Racing

Calcenada Vuelta al Moncayo

104 km
August 04, 2017 Race day in 2 months
Spain / Aragon / Calcena
Ultramarathon - 104 kilometers
UTMB Qualifier Trail Mountain

Cascade Lakes Relay

August 04, 2017 Race day in 2 months
USA / Pacific / Oregon / Bend
Ultramarathon - 132 miles
Relay

Ruby Mountain Relay

August 04, 2017 Race day in 2 months
USA / Mountain Region / Nevada / Elko County
Ultramarathon - 184 miles
Relay

Wild West Relay

August 04, 2017 Race day in 2 months
USA / Mountain Region / Colorado / Fort Collins
Ultramarathon - 200 miles
Road Running RLT Relay Races Relay

Mo' Bell

100K
August 05, 2017 Race day in 3 months
USA / East South Central / Tennessee / Burns
Ultramarathon - 100 kilometers

Mo' Bell

100 Miles
August 05, 2017 Race day in 3 months
USA / East South Central / Tennessee / Burns
Ultramarathon - 100 miles

Mendip Marauder 50 Miler

30 Miler
August 05, 2017 Race day in 3 months
United Kingdom / England / Somerset / Frome
Ultramarathon - 30 miles

Moosalamoo Ultra

36 Miles
August 05, 2017 Race day in 3 months
USA / New England / Vermont / Goshen
Ultramarathon - 36 miles
Trail

Mo' Bell

50K - Saturday
August 05, 2017 Race day in 3 months
USA / East South Central / Tennessee / Burns
Ultramarathon - 50 kilometers

HURL Elkhorn 50 Mile/50 K Ultramarathons

50 K Ultramarathon
August 05, 2017 Race day in 3 months
USA / Mountain Region / Montana / Montana City
Ultramarathon - 50 kilometers
Trail Mountain

Mendip Marauder 50 Miler

50 Miler
August 05, 2017 Race day in 3 months
United Kingdom / England / Somerset / Frome
Ultramarathon - 50 miles