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 49 races.

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49 races

Grayson Highlands Half/Marathon

Grayson Highlands Half Marathon
May 06, 2017 Race day in 4 months
USA / South Atlantic / Virginia / Mouth of Wilson
Half Marathon
Trail Run Bum Tours

Horseshoe Lake Trail Run

Horseshoe Lake Half Marathon
May 06, 2017 Race day in 4 months
USA / Pacific / California / Palo Alto
Half Marathon
Coastal Trail Runs Hilly Walk Trail

Greenwood Furnace Trail Challenge

May 07, 2017 Race day in 4 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 4 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 4 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 4 months
USA / Pacific / California / San Rafael
Half Marathon
Trail Inside Trail Racing

Rabbit Valley Half

May 13, 2017 Race day in 4 months
USA / Mountain Region / Colorado / Grand Junction
Half Marathon
Desert Trail

Orcas Island Marathon & Trail Festival

Half Marathon
May 13, 2017 Race day in 4 months
USA / Pacific / Washington / Orcas Island
Half Marathon
Trail Bellingham Trail Running Series

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

Half Marathon
May 13, 2017 Race day in 4 months
USA / East North Central / Wisconsin / Nashotah Park
Half Marathon
Trail

Cinderella Trail Run (May)

Half Marathon
May 13, 2017 Race day in 4 months
USA / Pacific / California / Joaquin Miller Park, Oakland
Half Marathon
Coastal Trail Runs Trail

Ice Age Trail 50

Ice Age Trail Half Marathon
May 13, 2017 Race day in 4 months
USA / East North Central / Wisconsin / La grange
Half Marathon
Trail

Maple Grove Half Marathon & 5K

Maple Grove Half Marathon
May 13, 2017 Race day in 4 months
USA / West North Central / Minnesota / Maple Grove
Half Marathon
Trail

Mill Stone Half Marathon and 8K Trail Races

Mill Stone Half Marathon Trail Race
May 13, 2017 Race day in 4 months
USA / South Atlantic / South Carolina / Bruce Rush Pavilion, ASC Greenway
Half Marathon
Trail

Paiute Meadows Trail 50K

Trail Half Marathon
May 13, 2017 Race day in 4 months
USA / Pacific / California / Susanville
Half Marathon
Trail

Delaware Marathon, Relay & Half Marathon

Delaware Half Marathon
May 14, 2017 Race day in 4 months
USA / South Atlantic / Delaware / Wilmington
Half Marathon
Trail