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

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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

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

Hamilton Island Hilly Half Marathon

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

Nivolet Revard

La Voglanaise
  • 2016-05-01
  • France | Savoie | Voglans
  • 10 km race to Half Marathon - 13 kilometers
  • Trail

Nivolet Revard

Le Malpassant
  • 2016-05-01
  • France | Savoie | Voglans
  • Half Marathon to Full Marathon - 27 kilometers
  • Hilly Trail

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

Marvin's Walk of Fame (1 1/2 mile Hike/Walk on Brutal tough course)
  • 2016-05-01
  • USA | New Jersey | Morristown
  • Shorter than 10 km race - 0.5 miles
  • Walk Trail

Nivolet Revard

Nivolet - Revard
  • 2016-05-01
  • France | Savoie | Voglans
  • Ultramarathon - 51 kilometers
  • UTMB Qualifier Hilly Trail

Nivolet Revard

Nivolet - Revard : Marche Festive
  • 2016-05-01
  • France | Savoie | Voglans
  • 10 km race to Half Marathon - 12 kilometers
  • Trail

Sahara Race (Namibia)

  • 2016-05-01
  • Namibia | | Namibia
  • Multiday race - 250 kilometers
  • Desert Trail

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

The "Kodiac" Cardiac Hike of the Goats 3.1 mile (5k)
  • 2016-05-01
  • USA | New Jersey | Morristown
  • Shorter than 10 km race - 5 kilometers
  • Walk Trail

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

The "New Paul Krentar Mini Mauler" (2500 Meter for kids 16 and under)
  • 2016-05-01
  • USA | New Jersey | Morristown
  • Shorter than 10 km race - 2.5 kilometers
  • Trail
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