2018 - 2019 Trail Half Marathon Calendar in May

Browse our Half Marathon Calendar for races organized around the world during the month of May bearing the tag Trail among 48 races.

48 races

Borgess Run or the Health of it

Borgess Run For The Health Of It Half Marathon
05/06/2018 - 08:00
North America / USA / East North Central / Michigan / Kalamazoo
Half Marathon
Trail Running

Grayson Highlands Half/Marathon

Half Marathon
05/06/2018 - 09:00
North America / USA / South Atlantic / Virginia / Mouth of Wilson
Half Marathon
Trail Running Solo

Horseshoe Lake Trail Run

Half Marathon
05/06/2018 - 08:00
North America / USA / Pacific / California / Palo Alto
Half Marathon
Trail Running Hilly Solo

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

Rock the River: Palisades Half Marathon
05/06/2018 - 09:00
North America / USA / Mid-Atlantic / New Jersey / Fort Lee
Half Marathon
Trail Running

Carter Caves Half Marathon

Carter Caves Half Marathon
05/12/2018 - 07:00
North America / USA / East South Central / Kentucky / Olive Hill
Half Marathon
Trail Running

Cinderella Trail Run (May)

Half Marathon
05/12/2018 - 08:00
North America / USA / Pacific / California / Joaquin Miller Park, Oakland
Half Marathon
Trail Running Solo

CLE Trail Marathon

Half Marathon
05/12/2018
North America / USA / East North Central / Ohio / North Chagrin Reservation, Willoughby Hills
Half Marathon
Trail Running

Orcas Island Marathon & Trail Festival

Half Marathon
05/12/2018 - 09:00
North America / USA / Pacific / Washington / Orcas Island
Half Marathon
Trail Running

Rabbit Valley Half

05/12/2018 - 07:30
North America / USA / Mountain Region / Colorado / Fruita
Half Marathon
Desert Trail Running

Scenic City Trail Marathon & 1/2 Marathon

1/2 Marathon
05/12/2018 - 08:00
North America / USA / East South Central / Tennessee / Chattanooga
Half Marathon
Trail Running

Wildcat Half Marathon

Half Marathon
05/12/2018 - 08:00
North America / USA / Pacific / California / El Sobrante
Half Marathon
Trail Running Hilly Solo

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

Half Marathon
05/12/2018
North America / USA / East North Central / Wisconsin / Nashotah Park
Half Marathon
Trail Running