2015 - 2016 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 1143 races.

1,143 races

24-Hour Adventure Trail Run

24-Hour ATR

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

Above & Beyond 5K

  • May 02, 2015 - 09:00
  • North America | USA | West North Central | Minnesota | Becker
  • Shorter than 10 km race - 5 kilometers
  • Fast Walk Flat Fun Trail Fund raising

ALS Half Marathon & 5K

ALS 5K

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

ALS Half Marathon & 5K

ALS Half Marathon

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

Amasa

Amasa 14.5 Miler

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

Amasa

Amasa 6.5 Miler

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

Amasa

Amasa 9.5 Miler

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

American River Parkway Half Marathon

American River Parkway 5K

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

American River Parkway Half Marathon

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

Armstrong Redwoods

Armstrong Redwoods 17K

  • May 02, 2015 - 08:50
  • North America | USA | California | Guerneville
  • 10 km race to Half Marathon - 17 kilometers
  • Hilly Trail

Armstrong Redwoods

Armstrong Redwoods 30K

  • May 02, 2015 - 08:40
  • North America | USA | California | Guerneville
  • Half Marathon to Full Marathon - 30 kilometers
  • Hilly Trail

Armstrong Redwoods

Armstrong Redwoods 50K

  • May 02, 2015 - 08:30
  • North America | USA | California | Guerneville
  • Ultramarathon - 50 kilometers
  • Hilly Trail

Armstrong Redwoods

Armstrong Redwoods 9K

  • May 02, 2015 - 09:00
  • North America | USA | California | Guerneville
  • Shorter than 10 km race - 9 kilometers
  • Hilly Trail

Autism Oklahoma "PieceWalk and 5K"

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

Beast for a Day

Beast for a Day - 12 Hrs

  • May 02, 2015 - 06:00
  • North America | USA | Louisiana | St. Francisville
  • X-hour race - 12 hours