2018 - 2019 Out & back Ultramarathon Calendar

Browse our Ultramarathon Calendar for races organized around the world bearing the tag Out & back among 16 races.

16 races

Frisco Railroad Run

50 Mile
2018-04-28 - 06:00
North America / USA / West North Central / Missouri / Willard
Ultramarathon
Trail Running Flat Out & back

Frisco Railroad Run

50k
2018-04-28 - 06:00
North America / USA / West North Central / Missouri / Willard
Ultramarathon
Trail Running Flat Out & back

Heartland 50 Mile Spring Race

2018-05-05
North America / USA / West North Central / Kansas / Cassoday
Ultramarathon
Road Running Out & back Solo

Long Island Greenbelt Trail 50k

50k
2018-05-12 - 07:30
North America / USA / Mid-Atlantic / New York / Plainview
Ultramarathon
Trail Running Out & back Solo

Larzac Trip Trail

Migual Concept Race
2018-05-13 - 09:00
Europe / Western Europe / France / Occitanie / Aveyron / Saint Georges de Luzençon
Ultramarathon
Trail Running Out & back Team effort

Luchon Aneto Trail

La Route 3404
2018-07-07 - 06:00
Europe / Western Europe / France / Occitanie / Haute-Garonne / Luchon
Ultramarathon
Mountain Trail Running Mountain Out & back

Luchon Aneto Trail

La Vénasque
2018-07-08 - 07:00
Europe / Western Europe / France / Occitanie / Haute-Garonne / Luchon
Ultramarathon
Mountain Trail Running Mountain Out & back Solo

Ultraløbet Ringkøbing Fjord Rundt

2018-08-25 - 07:30
Europe / Northern Europe / Denmark / Midtjylland / Ringkøbing
Ultramarathon
Countryside Seaside / Lakeside Multi terrain Running Flat Out & back Solo

Secret Beach 100K / 50M

100K
2018-10-06 - 06:00
North America / USA / Pacific / Oregon / Gold Beach
Ultramarathon
Trail Running Out & back Solo

Secret Beach 100K / 50M

50M
2018-10-07 - 07:00
North America / USA / Pacific / Oregon / Gold Beach
Ultramarathon
Trail Running Out & back Solo

Double Chubb

Double Chubb 50k
2017-04-15 - 07:30
North America / USA / West North Central / Missouri / Eureka
Ultramarathon
Trail Running Out & back Solo

White Rock Classic 50K

2018-02-03 - 09:00
North America / USA / West South Central / Arkansas / Cass
Ultramarathon
Trail Running Mountain Out & back
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