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 44 races.

44 races

Borgess Run or the Health of it

May 06, 2018 Race day in 10 months
USA / East North Central / Michigan / Kalamazoo
Half Marathon
Trail

Tilden Trail Marathon/Half Marathon/10K

May 14, 2016 The race has already taken place.
USA / Pacific / California / Tilden Regional Park
Half Marathon
Trail Urban Coyote Racing

Park City Wild Half

May 28, 2016 The race has already taken place.
USA / Mountain Region / Utah / Kamas
Half Marathon
Trail

Big River Half Marathon & 10k Trail Races

May 06, 2017 The race has already taken place.
USA / New England / Rhode Island / West Greenwich
Half Marathon
Trail

Flight of Fire Half Marathon and 10K

May 06, 2017 The race has already taken place.
USA / Mountain Region / Nevada / Red Rock National Conservation Area, Las Vegas
Half Marathon
Hilly Trail

Grayson Highlands Half/Marathon

May 06, 2017 The race has already taken place.
USA / South Atlantic / Virginia / Mouth of Wilson
Half Marathon
Trail Run Bum Tours

Ham Run

May 06, 2017 The race has already taken place.
USA / West North Central / Minnesota / Grand Marais
Half Marathon
Trail

Horseshoe Lake Trail Run

May 06, 2017 The race has already taken place.
USA / Pacific / California / Palo Alto
Half Marathon
Coastal Trail Runs Hilly Walk Trail

Greenwood Furnace Trail Challenge

May 07, 2017 The race has already taken place.
USA / Mid-Atlantic / Pennsylvania / Huntingdon
Half Marathon
Trail

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

May 07, 2017 The race has already taken place.
USA / Pacific / California / Grizz
Half Marathon
Hilly Fun Trail

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

May 07, 2017 The race has already taken place.
USA / Mid-Atlantic / New Jersey / Fort Lee
Half Marathon
Trail

CLE Trail Marathon

May 13, 2017 The race has already taken place.
USA / East North Central / Ohio / North Chagrin Reservation, Willoughby Hills
Half Marathon
Trail
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