2015 - 2016 North America Trail Half Marathon to Full Marathon Calendar in May

Browse our Calendar for races longer than a half marathon but shorter than a full marathon organized in North America during the month of May bearing the tag Trail among 43 races.

43 races

Adrenaline Night Run

Adrenaline 36K Night Run
  • May 30, 2015 - 19:30
  • North America | USA | Mountain Region | Arizona | McDowell Mountain Regional Park, Fountain Hills
  • Half Marathon to Full Marathon - 26 kilometers
  • Night Trail Aravaipa Running

Blackfoot Ultra

Blackfoot 25 Km Baby Ultra
  • May 30, 2015 - 11:00
  • North America | Canada | Alberta | Edmonton
  • Half Marathon to Full Marathon - 25 kilometers
  • Walk Trail

Coyote Scramble Ultras

Coyote Scramble Ultras 20 Miler
  • May 30, 2015 - 06:00
  • North America | USA | New England | Vermont | Kingdom Trails, East Burke
  • Half Marathon to Full Marathon - 20 miles
  • Trail

Mayapple Trail Runs

Mayapple 20M Trail Run
  • May 30, 2015
  • North America | USA | Mid-Atlantic | New Jersey | Milburn
  • Half Marathon to Full Marathon - 20 miles
  • Trail

Moonshine Trail Races

Moonshine 15 Mile Trail
  • May 30, 2015
  • North America | USA | Pacific | California | Brandy Creek Beach
  • Half Marathon to Full Marathon - 15 miles
  • Night Trail Shasta Trail Runs

The Catsmacker

The Catsmacker
  • May 30, 2015 - 06:30
  • North America | USA | West South Central | Arkansas | Ouachita National Forest
  • Half Marathon to Full Marathon - 23 miles
  • Trail

Red Devil Challenge Trail Runs

Red Devil Challenge 25K Trail Run
  • May 31, 2015 - 08:45
  • North America | USA | Pacific | Washington | Cashmere
  • Half Marathon to Full Marathon - 25 kilometers
  • Hilly Trail Wenatchee Valley Trail Run Series

Greenland Trail 50k

Greenland Trail 25k
  • May 01, 2016 - 08:00
  • North America | USA | Mountain Region | Colorado | Greenland
  • Half Marathon to Full Marathon - 25 kilometers
  • Trail

Amasa

Amasa 14.5 Miler
  • May 02, 2015
  • North America | USA | Mountain Region | Utah | Moab
  • Half Marathon to Full Marathon - 14.5 miles
  • Trail Grass Roots Events

Armstrong Redwoods

Armstrong Redwoods 30K
  • May 02, 2015 - 08:40
  • North America | USA | Pacific | California | Guerneville
  • Half Marathon to Full Marathon - 30 kilometers
  • Hilly Trail

Collegiate Peaks Trail Run

Collegiate Peaks 25M Trail Run
  • May 02, 2015
  • North America | USA | Mountain Region | Colorado | Buena Vista
  • Half Marathon to Full Marathon - 25 miles
  • Trail

Sinister Night Trail Runs

Sinister Night 27K Trail Run
  • May 02, 2015 - 19:30
  • North America | USA | Mountain Region | Arizona | San Tan Mountain Regional Park, Queen Creek, AZ
  • Half Marathon to Full Marathon - 27 kilometers
  • Night Trail Aravaipa Running

Tchimbé Raid

Tchimbé du Piton
  • May 02, 2015 - 09:00
  • North America | Martinique | Camp de Balata
  • Half Marathon to Full Marathon - 30 kilometers
  • Trail Mountain

Joe English Trail Challenge

  • May 03, 2015
  • North America | USA | New England | New Hampshire | Amherst
  • Half Marathon to Full Marathon - 25 kilometers
  • Charity Trail

Medved Madness Trail Race

Medved Madness Solo Trail Race
  • May 03, 2015 - 08:00
  • North America | USA | Mid-Atlantic | New York | Honeoye Falls
  • Half Marathon to Full Marathon - 15 miles
  • Trail