2016 - 2017 Trail Race Calendar in May

Browse our Marathons, Half Marathons, Ultra marathons, Multiday events organized around the world during the month of May bearing the tag Trail among 1297 races.

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1,297 races

Wild Wild West Marathon

50K Ultra
May 06, 2017 Race day in 8 months
USA / Pacific / California / Lone Pine
Ultramarathon - 50 kilometers
Trail Mountain

Wild Wild West Marathon

50M Run
May 06, 2017 Race day in 8 months
USA / Pacific / California / Lone Pine
Shorter than 10 km race - 50 miles
Trail Mountain

Moonlight Bootlegger 5K - Metro Detroit

May 06, 2017 Race day in 8 months
USA / East North Central / Michigan / Northville
5k race - 5 kilometers
Trail Night

Bruneau Beast

Bruneau Beast 10K
May 06, 2017 Race day in 8 months
USA / Mountain Region / Idaho / Bruneau
10k race
Walk Trail Sand

Bruneau Beast

Bruneau Beast 5K
May 06, 2017 Race day in 8 months
USA / Mountain Region / Idaho / Bruneau
5k race - 5 kilometers
Walk Trail Sand

Bruneau Beast

Bruneau Beast Half Marathon
May 06, 2017 Race day in 8 months
USA / Mountain Region / Idaho / Bruneau
Half Marathon
Walk Trail Sand

Bruneau Beast

Bruneau Beast Marathon
May 06, 2017 Race day in 8 months
USA / Mountain Region / Idaho / Bruneau
Marathon
Walk Trail Sand

Greenland Trail 50k

Greenland Trail 25k
May 06, 2017 Race day in 8 months
USA / Mountain Region / Colorado / Larkspur
Half Marathon to Full Marathon - 25 kilometers
Trail

Greenland Trail 50k

Greenland Trail 50k
May 06, 2017 Race day in 8 months
USA / Mountain Region / Colorado / Larkspur
Ultramarathon - 50 kilometers
Trail Fast

Greenland Trail 50k

Greenland Trail 8k
May 06, 2017 Race day in 8 months
USA / Mountain Region / Colorado / Larkspur
10 km race to Half Marathon - 8 miles
Trail

Hardmoors Ultra 110

May 06, 2017 Race day in 8 months
United Kingdom / England / North Yorkshire / Filey
Ultramarathon - 110 miles
UTMB Qualifier Trail Hardmoors Race Series

Horseshoe Lake Trail Run

Horseshoe Lake 50K
May 06, 2017 Race day in 8 months
USA / Pacific / California / Palo Alto
Ultramarathon - 50 kilometers
Coastal Trail Runs Hilly Walk Trail

Horseshoe Lake Trail Run

Horseshoe Lake 5M
May 06, 2017 Race day in 8 months
USA / Pacific / California / Palo Alto
Shorter than 10 km race - 5 miles
Coastal Trail Runs Hilly Walk Trail

Horseshoe Lake Trail Run

Horseshoe Lake Half Marathon
May 06, 2017 Race day in 8 months
USA / Pacific / California / Palo Alto
Half Marathon
Coastal Trail Runs Hilly Walk Trail

Horseshoe Lake Trail Run

Horseshoe Lake Marathon
May 06, 2017 Race day in 8 months
USA / Pacific / California / Palo Alto
Marathon
Coastal Trail Runs Hilly Walk Trail