2014 - 2015 North America Race Calendar in May

Browse our Marathons, Half Marathons, Ultra marathons, Multiday events organized in North America during the month of May among 1025 races.

1,025 races

24-Hour ATR

  • North America | USA | South Atlantic | Virginia | Triangle
  • X-hour race - 24 hours
  • May 02, 2015 - 07:00
  • Trail

ALS 5K

  • North America | USA | Oklahoma | Altus
  • Shorter than 10 km race - 5 kilometers
  • May 02, 2015
  • Charity "Road Running"

ALS Half Marathon

  • North America | USA | Oklahoma | Altus
  • Half Marathon
  • May 02, 2015
  • Charity "Road Running"

Amasa 14.5 Miler

  • North America | USA | Utah | Moab
  • Half Marathon to Full Marathon - 14.5 miles
  • May 02, 2015
  • Trail "Grass Roots Events"

Amasa 6.5 Miler

  • North America | USA | Utah | Moab
  • 10 km race to Half Marathon - 6.5 miles
  • May 02, 2015
  • Trail "Grass Roots Events"

Amasa 9.5 Miler

  • North America | USA | Utah | Moab
  • 10 km race to Half Marathon - 9.5 miles
  • May 02, 2015
  • Trail "Grass Roots Events"

American River Parkway 5K

  • North America | USA | Pacific | California | Carmichael
  • Shorter than 10 km race - 5 kilometers
  • May 02, 2015 - 08:15
  • Trail

American River Parkway Half Marathon

  • North America | USA | Pacific | California | Carmichael
  • Half Marathon
  • May 02, 2015 - 06:00
  • Walk

Autism Oklahoma "PieceWalk and 5K"

  • North America | USA | West South Central | Oklahoma | Chickasaw Bricktown Ballpark, Oklahoma City
  • Shorter than 10 km race - 5 kilometers
  • May 02, 2015 - 09:00
  • Charity "Road Running"

Brookings Half Marathon

  • North America | USA | West North Central | South Dakota | Brookings
  • Half Marathon
  • May 02, 2015
  • Walk

Brookings Marathon

  • North America | USA | West North Central | South Dakota | Brookings
  • Marathon
  • May 02, 2015
  • Walk Relay

Canyons 50K Trail Run

  • North America | USA | California | Foresthill
  • Ultramarathon - 50 kilometers
  • May 02, 2015 - 07:30
  • Trail Mountain

Cinco de Mayo 8K (Snoqualmie)

  • North America | USA | Washington | Snoqualmie
  • Shorter than 10 km race - 8 kilometers
  • May 02, 2015 - 09:00
  • Fast Flat "Road Running"

Cinco de Mayo Half Marathon (Snoqualmie)

  • North America | USA | Washington | Snoqualmie
  • Half Marathon
  • May 02, 2015 - 08:30
  • Fast Flat "Road Running"

Collegiate Peaks 25M Trail Run

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