2014 - 2015 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 38 races.

38 races

Collegiate Peaks 25M Trail Run

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

Greenland Trail 25k

  • North America | USA | Mountain Region | Colorado | Greenland
  • Half Marathon to Full Marathon - 25 kilometers
  • May 02, 2015 - 08:00
  • Trail

Sinister Night 27K Trail Run

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

Tchimbé du Piton

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

Ride the Wind 25M

  • North America | USA | Nevada | Las Vegas
  • Half Marathon to Full Marathon - 25 miles
  • May 03, 2015
  • Trail "Elemental Running and Training"

The North Face Dirty Feet Kal Park 50 - 25K

  • North America | Canada | British Columbia | Vernon
  • Half Marathon to Full Marathon - 25 kilometers
  • May 03, 2015 - 07:00
  • Trail "North Face Dirty Feet Trail Series " Mountain

Cinderella Trail Run 30 km (May)

  • North America | USA | Pacific | California | Joaquin Miller Park, Oakland
  • Half Marathon to Full Marathon - 30 kilometers
  • May 09, 2015 - 08:00
  • Trail

Don't Fence Me in 30K Trail Run

  • North America | USA | Mountain Region | Montana | Helena
  • Half Marathon to Full Marathon - 30 kilometers
  • May 09, 2015 - 07:30
  • Trail "La Sportiva Mountain Cup"

Island Runner Elk/Beaver Ultras- 25 Mile Walk

  • North America | Canada | British Columbia | Victoria
  • Half Marathon to Full Marathon - 25 miles
  • May 09, 2015 - 06:00
  • Walk Flat Trail

Quad Rock 50 - 25 Miles

  • North America | USA | Colorado | Fort Collins
  • Half Marathon to Full Marathon - 25 miles
  • May 09, 2015
  • Trail

Smith Rock Ascent 15 Mile

  • North America | USA | Pacific | Oregon | Smith Rock State Park, Terrebonne
  • Half Marathon to Full Marathon - 15 miles
  • May 09, 2015 - 09:00
  • Trail "Northwest Mountain Trail Series" Mountain

PEAK Ultra Marathon - 15 Miles

  • North America | USA | New England | Vermont | Pittsfield
  • Half Marathon to Full Marathon - 15 miles
  • May 16, 2015 - 11:30
  • Trail

Spring Superior Trail 25k

  • North America | USA | West North Central | Minnesota | Lutsen
  • Half Marathon to Full Marathon - 25 kilometers
  • May 16, 2015 - 09:00
  • Trail

Sun Mountain 25K

  • North America | USA | Pacific | Washington | Winthrop
  • Half Marathon to Full Marathon - 25 kilometers
  • May 16, 2015 - 10:00
  • Trail "Rainshadow Running"

Dirty German 25K

  • North America | USA | Mid-Atlantic | Pennsylvania | Pennypack Park, Philadelphia
  • Half Marathon to Full Marathon - 25 kilometers
  • May 17, 2015 - 08:00
  • Trail