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

Borgess Run or the Health of it

Borgess Run For The Health Of It Half Marathon
May 06, 2018 Race day in 11 months
USA / East North Central / Michigan / Kalamazoo
Half Marathon
Trail

Paul Smiths Jenkins Mountain Scramble

Paul Smiths Jenkins Mountain Scramble Half Marathon
No race in 2016
USA / Mid-Atlantic / New York / Paul Smiths
Half Marathon
Hilly Trail Adirondack Trail Run Series

Table Rock 5k & Half-Marathon

Table Rock Half-Marathon
May 23, 2015 The race has already taken place.
USA / West North Central / Missouri / Branson
Half Marathon
Trail Fast

Tilden Trail Marathon/Half Marathon/10K

Half Marathon
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

Half
May 28, 2016 The race has already taken place.
USA / Mountain Region / Utah / Kamas
Half Marathon - 13.100 miles
Trail

Big River Half Marathon & 10k Trail Races

Big River Half Marathon
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

Flight of Fire Half Marathon
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

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

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

Horseshoe Lake Trail Run

Horseshoe Lake Half Marathon
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 - 13.100 miles
Trail

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

Leoni Meadows Half Marathon Trail Race
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

Rock the River: Palisades Half Marathon
May 07, 2017 The race has already taken place.
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 The race has already taken place.
USA / Pacific / California / San Rafael
Half Marathon
Trail Inside Trail Racing

Dances with Dirt Gnaw Bone

DWD Gnaw Bone Half Marathon
May 13, 2017 The race has already taken place.
USA / East North Central / Indiana / Nashville
Half Marathon
RunningFit Hilly Trail