2015 - 2016 Trail Race Calendar in May

Browse our Marathons, Half Marathons, Ultra marathons, Multiday events organized around the world during the month of May bearing the tag Trail among 1123 races.

1,123 races

Hardcore Hundred Miles

  • May 22, 2015 - 00:01
  • Asia | Philippines | Kayapa, Nueva Vizcaya
  • Ultramarathon - 100 miles
  • UTMB Qualifier Trail Mountain

Hardmoors 160 'The Ring Of Steele'

  • May 22, 2015 Inaugural race
  • Europe | United Kingdom | England | North Yorkshire | Scarborough
  • Ultramarathon - 160 miles
  • UTMB Qualifier Trail Hardmoors Race Series

NUTS Karhunkierros Trail Ultra

NUTS Karhunkierros Trail Ultra - 160 km
  • May 22, 2015 - 21:00
  • Europe | Finland | Oulu | Kuusamo
  • Ultramarathon - 160 kilometers
  • UTMB Qualifier Trail

Pigtails Challenge

Pigtails 150 Mile Challenge
  • May 22, 2015 - 06:00
  • North America | USA | Pacific | Washington | Lake Youngs Watershed
  • Ultramarathon - 150 miles
  • Trail

Rock2Rock Trail Run

  • May 22, 2015 - 17:00
  • North America | USA | South Atlantic | North Carolina | Black Mountain
  • 10k race
  • Trail

BackRoads & Bayous Cross Country Trail Run

10 Mile Trail Run
  • May 23, 2015 - 08:00
  • North America | USA | West South Central | Louisiana | Gilliam
  • 10 km race to Half Marathon - 10 miles
  • Charity Trail

BackRoads & Bayous Cross Country Trail Run

1/2 Mile Trail Fun Run
  • May 23, 2015 - 08:05
  • North America | USA | West South Central | Louisiana | Gilliam
  • Shorter than 10 km race - 880 yards
  • Charity Trail

BackRoads & Bayous Cross Country Trail Run

3 Mile Trail Run
  • May 23, 2015 - 08:00
  • North America | USA | West South Central | Louisiana | Gilliam
  • Shorter than 10 km race - 3 miles
  • Charity Trail

Two Castles and an Abbey Trail Ultra

Braveheart Run
  • May 23, 2015 - 13:00
  • Europe | Cyprus | Alevkaya
  • Half Marathon to Full Marathon - 27 kilometers
  • Hilly Trail

Causeway Crossing

Causeway Crossing 100K
  • May 23, 2015 - 06:00
  • Europe | United Kingdom | Northern Ireland | Ballintoy
  • Ultramarathon - 100 kilometers
  • UTMB Qualifier Hilly Trail Relay

Causeway Crossing

Causeway Crossing 25K
  • May 23, 2015 - 14:00
  • Europe | United Kingdom | Northern Ireland | Dunluce Castle
  • Half Marathon to Full Marathon - 25 kilometers
  • Hilly Trail

Causeway Crossing

Causeway Crossing 50K
  • May 23, 2015 - 12:00
  • Europe | United Kingdom | Northern Ireland | Ballintoy
  • Ultramarathon - 50 kilometers
  • Hilly Trail Relay

China Camp Trail Run

China Camp Trail Run 10K
  • May 23, 2015 - 09:00
  • North America | USA | Pacific | California | San Rafael
  • 10k race
  • Inside Trail Racing Trail

China Camp Trail Run

China Camp Trail Run 5K
  • May 23, 2015 - 09:00
  • North America | USA | Pacific | California | San Rafael
  • Shorter than 10 km race - 5 kilometers
  • Inside Trail Racing Trail

China Camp Trail Run

China Camp Trail Run Half Marathon
  • May 23, 2015 - 09:00
  • North America | USA | Pacific | California | San Rafael
  • Half Marathon
  • Inside Trail Racing Trail