2016 - 2017 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 39 races.

39 races

Greenland Trail 50k

Greenland Trail 25k
  • 2016-05-01
  • USA | Colorado | Greenland
  • Half Marathon to Full Marathon - 25 kilometers
  • Trail

Joe English Trail Challenge

  • 2016-05-01
  • USA | New Hampshire | Amherst
  • Half Marathon to Full Marathon - 25 kilometers
  • Charity Trail

Medved Madness Trail Race

Medved Madness Solo Trail Race
  • 2016-05-01
  • USA | New York | Honeoye Falls
  • Half Marathon to Full Marathon - 15 miles
  • Trail

Medved Madness Trail Race

Medved Madness Trail Relay
  • 2016-05-01
  • USA | New York | Honeoye Falls
  • Half Marathon to Full Marathon - 15 miles
  • Trail Relay

The North Face Dirty Feet Kal Park 50

The North Face Dirty Feet Kal Park 50 - 25K
  • 2016-05-01
  • Canada | British Columbia | Vernon
  • Half Marathon to Full Marathon - 25 kilometers
  • Trail North Face Dirty Feet Trail Series Mountain

Tchimbé Raid

Tchimbé du Piton
  • 2016-05-04
  • Martinique | Camp de Balata
  • Half Marathon to Full Marathon - 30 kilometers
  • Trail Mountain

Smith Rock Ascent 50K, 15M, 4M

15 Mile
  • 2016-05-07
  • USA | Oregon | Smith Rock State Park, Terrebonne
  • Half Marathon to Full Marathon - 15 miles
  • Trail Northwest Mountain Trail Series Mountain

Amasa

Amasa 14.5 Miler
  • 2016-05-07
  • USA | Utah | Moab
  • Half Marathon to Full Marathon - 14.500 miles
  • Trail Grass Roots Events

Armstrong Redwoods

Armstrong Redwoods 30K
  • 2016-05-07
  • USA | California | Guerneville
  • Half Marathon to Full Marathon - 30 kilometers
  • Hilly Trail

Collegiate Peaks Trail Run

Collegiate Peaks 25M Trail Run
  • 2016-05-07
  • USA | Colorado | Buena Vista
  • Half Marathon to Full Marathon - 25 miles
  • Trail

Don't Fence Me in Trail Run

Don't Fence Me in 30K Trail Run
  • 2016-05-07
  • USA | Montana | Helena
  • Half Marathon to Full Marathon - 30 kilometers
  • Trail La Sportiva Mountain Cup

Lost Lake Ultra

Lost Lake 25K
  • 2016-05-07
  • USA | Washington | Bellingham
  • Half Marathon to Full Marathon - 25 kilometers
  • Trail Mountain

Wapack and Back Trail Races

Wapack and Back Trail Races 21.5 Miles
  • 2016-05-07
  • USA | Massachusetts | Ashburnham
  • Half Marathon to Full Marathon - 21.500 miles
  • Trail Tarc Trail Series

Whoos in El Moro Race Spring Edition

Whoos in El Moro Race Spring Edition 25K
  • 2016-05-07
  • USA | California | Crystal Cove State Park
  • Half Marathon to Full Marathon - 25 kilometers
  • Hilly Trail

Glacier Ridge Trail Ultramarathon

30K
  • 2016-05-14
  • USA | Pennsylvania | Moraine State Park
  • Half Marathon to Full Marathon - 30 kilometers
  • Hilly Trail