2017 - 2018 USA Trail Half Marathon Calendar in May

Browse our Half Marathon Calendar for races organized in USA during the month of May bearing the tag Trail among 47 races.

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47 races

Grayson Highlands Half/Marathon

Grayson Highlands Half Marathon
May 06, 2017 Race day in 2 months
USA / South Atlantic / Virginia / Mouth of Wilson
Half Marathon
Trail Run Bum Tours

Ham Run

Ham Run Half Marathon
May 06, 2017 Race day in 2 months
USA / West North Central / Minnesota / Grand Marais
Half Marathon
Trail

Horseshoe Lake Trail Run

Horseshoe Lake Half Marathon
May 06, 2017 Race day in 2 months
USA / Pacific / California / Palo Alto
Half Marathon
Coastal Trail Runs Hilly Walk Trail

Borgess Run or the Health of it

Borgess Run For The Health Of It Half Marathon
May 07, 2017 Race day in 2 months
USA / East North Central / Michigan / Kalamazoo
Half Marathon
Trail

Greenwood Furnace Trail Challenge

May 07, 2017 Race day in 2 months
USA / Mid-Atlantic / Pennsylvania / Huntingdon
Half Marathon - 13.100 miles
Trail

Leoni Meadows Trail Series - Half Marathon, 5k, Kids Fun Run

Leoni Meadows Half Marathon Trail Race
May 07, 2017 Race day in 2 months
USA / Pacific / California / Grizz
Half Marathon
Hilly Fun Trail

Rock the River: Palisades Half, 5K, and 6K Trail Run

Rock the River: Palisades Half Marathon
May 07, 2017 Race day in 2 months
USA / Mid-Atlantic / New Jersey / Fort Lee
Half Marathon - 13.100 miles
Trail

China Camp Trail Run

China Camp Trail Run Half Marathon
May 13, 2017 Race day in 3 months
USA / Pacific / California / San Rafael
Half Marathon
Trail Inside Trail Racing

Dances with Dirt Gnaw Bone

DWD Gnaw Bone Half Marathon
May 13, 2017 Race day in 3 months
USA / East North Central / Indiana / Nashville
Half Marathon
RunningFit Hilly Trail

Wisconsin Trail Assail Series - Mother's Day Run & Walk

Half Marathon
May 13, 2017 Race day in 3 months
USA / East North Central / Wisconsin / Nashotah Park
Half Marathon
Trail

Cinderella Trail Run (May)

Half Marathon
May 13, 2017 Race day in 3 months
USA / Pacific / California / Joaquin Miller Park, Oakland
Half Marathon
Coastal Trail Runs Trail

CLE Trail Marathon

Half Marathon
May 13, 2017 Race day in 3 months
USA / East North Central / Ohio / North Chagrin Reservation, Willoughby Hills
Half Marathon
Trail

Orcas Island Marathon & Trail Festival

Half Marathon
May 13, 2017 Race day in 3 months
USA / Pacific / Washington / Orcas Island
Half Marathon
Trail Bellingham Trail Running Series

Rabbit Valley Half

May 13, 2017 Race day in 3 months
USA / Mountain Region / Colorado / Grand Junction
Half Marathon
Desert Trail

Ice Age Trail 50

Ice Age Trail Half Marathon
May 13, 2017 Race day in 3 months
USA / East North Central / Wisconsin / La grange
Half Marathon
Trail