2015 - 2016 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 58 races.

58 races

Grand Ridge Trail Run (May)

Grand Ridge Half-Marathon Trail Run (May)

  • May 02, 2015
  • North America | USA | Pacific | Washington | Issaquah
  • Half Marathon
  • Trail Evergreen Trail Runs

Ham Run

Ham Run Half Marathon

  • May 02, 2015 - 10:00
  • North America | USA | West North Central | Minnesota | Grand Marais
  • Half Marathon
  • Trail

Harbison - Race to the River Weekend

Harbison Firebreak Half Marathon

  • May 02, 2015
  • North America | USA | South Atlantic | South Carolina | Columbia
  • Half Marathon
  • Trail

Masters of All Terrain

Masters of All Terrain : Half Marathon II

  • May 02, 2015
  • North America | USA | South Atlantic | Florida | Orlando
  • Half Marathon
  • Trail

Oconee 50k/ Half Marathon

Oconee Half Marathon

  • May 02, 2015 - 07:00
  • North America | USA | South Carolina | Oconee State Park
  • Half Marathon
  • Fast Fun Trail Run Bum Tours

Pandora's BoX of RoX

Pandora's BoX of RoX Half Marathon

  • May 02, 2015 - 07:15
  • North America | USA | West South Central | Texas | Reveille Peak Ranch, Texas
  • Half Marathon
  • Trail Tejas Trails

Borgess Run or the Health of it

Borgess Run For The Health Of It Half Marathon

  • May 03, 2015 - 08:15
  • North America | USA | East North Central | Michigan | Kalamazoo
  • Half Marathon
  • Trail

Chuckanut Mountain Marathon & Half Marathon

Chuckanut Mountain Half Marathon

  • May 03, 2015 - 10:00
  • North America | USA | Pacific | Washington | Larrabee State Park, Bellingham
  • Half Marathon - 12 kilometers
  • Trail Bellingham Trail Running Series

Palm Bluff Trail Race and Ultra "Margaritas & Manure"

Palm Bluff Trail Race and Ultra "Margaritas & Manure" Half Marathon

  • May 03, 2015 - 08:00
  • North America | USA | Florida | Osteen
  • Half Marathon
  • Trail

The North Face Endurance Challenge New York

The North Face Endurance Challenge New York Half Marathon

  • May 03, 2015 - 09:00
  • North America | USA | Mid-Atlantic | New York | Bear Mountain
  • Half Marathon
  • Hilly Trail The North Face Endurance Challenge

Wildwood Games - Trail Run

Wildwood Games - Half Marathon Trail Run

  • May 03, 2015
  • North America | USA | Georgia | Appling
  • Half Marathon
  • Trail

Wisconsin Trail Assail Series - Cinco de Mayo

Wisconsin Trail Assail Series - Cinco de Mayo Half Marathon

  • May 03, 2015 - 08:00
  • North America | USA | Wisconsin | Nashotah Park
  • Half Marathon
  • Trail Wisconsin Trail Assail Series Silver Circle Sports Events

Cinderella Trail Run (May)

Cinderella Trail Run Half Marathon (May)

  • May 09, 2015 - 08:00
  • North America | USA | Pacific | California | Joaquin Miller Park, Oakland
  • Half Marathon
  • Trail Coastal Trail Runs

Dances with Dirt Gnaw Bone

DWD Gnaw Bone Half Marathon

  • May 09, 2015 - 09:00
  • North America | USA | East North Central | Indiana | Nashville
  • Half Marathon
  • Hilly Trail RunningFit

Fear the Deer trail 1/2 marathon

  • May 09, 2015 - 08:00
  • North America | USA | Colorado | Littleton
  • Half Marathon
  • Trail Mountain