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 1121 races.

1,121 races

  • 1
  • 75

The North Face Endurance Challenge New York

10k
  • 2016-05-01
  • USA | New York | Bear Mountain State Park, Bear Mountain
  • 10k race
  • Hilly Trail The North Face Endurance Challenge

The North Face Endurance Challenge New York

5K
  • 2016-05-01
  • USA | New York | Bear Mountain State Park, Bear Mountain
  • Shorter than 10 km race - 5 kilometers
  • Hilly Trail The North Face Endurance Challenge

The 17th Morris Mauler 5K Trail/XC Race ( Spring Edition )

5K Trail/XC Race , The Paul Krentar Mini Mauler for Kids, Marvin's 1.6 Mile Walk of Fame, The Kodiac Cardiac 3.1 mile (5k ) Hike of the Goats. (All Walks are Non-Competitive).
  • 2016-05-01
  • USA | New Jersey | Morristown
  • Shorter than 10 km race - 5 kilometers
  • Walk Trail

Brecon to Cardiff Ultra

  • 2016-05-01
  • United Kingdom | Wales | Nantgarw
  • Ultramarathon - 42 miles
  • Trail Run Walk Crawl

Chuckanut Mountain Marathon & Half Marathon

Chuckanut Mountain Half Marathon
  • 2016-05-01
  • USA | Washington | Larrabee State Park, Bellingham
  • Half Marathon - 12 kilometers
  • Trail Bellingham Trail Running Series

Chuckanut Mountain Marathon & Half Marathon

Chuckanut Mountain Marathon
  • 2016-05-01
  • USA | Washington | Larrabee State Park, Bellingham
  • Marathon - 30 kilometers
  • Trail Bellingham Trail Running Series

Greenland Trail 50k

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

Greenland Trail 50k

Greenland Trail 50k
  • 2016-05-01
  • USA | Colorado | Greenland
  • Ultramarathon - 50 kilometers
  • Trail

Greenland Trail 50k

Greenland Trail 8k
  • 2016-05-01
  • USA | Colorado | Greenland
  • Shorter than 10 km race - 8 kilometers
  • Trail

The North Face Endurance Challenge New York

Half Marathon
  • 2016-05-01
  • USA | New York | Bear Mountain State Park, Bear Mountain
  • Half Marathon
  • Hilly Trail The North Face Endurance Challenge

Hamilton Island Hilly Half Marathon

  • 2016-05-01
  • Australia | Queensland | Hamilton Island
  • Half Marathon
  • Hilly Trail

Trail de l'Auvignon

La course nature des daims
  • 2016-05-01
  • France | Lot-et-Garonne | Saint-Laurent
  • 10 km race to Half Marathon - 13 kilometers
  • Trail

Laggo Maggiore Trail

Laggo Maggiore Trail
  • 2016-05-01
  • Italy | Lombardy | Maccagno
  • Ultramarathon - 52 kilometers
  • UTMB Qualifier Trail Mountain

Laggo Maggiore Trail

Laggo Maggiore Trail - 21 km
  • 2016-05-01
  • Italy | Lombardy | Maccagno
  • Half Marathon - 20.5 kilometers
  • Trail Mountain

Trail de l'Auvignon

La Mare aux Sangliers
  • 2016-05-01
  • France | Lot-et-Garonne | Saint-Laurent
  • Ultramarathon - 43 kilometers
  • Trail
  • 1
  • 75