Win your entry for the 100km run Biel in Switzeland

2015 - 2016 Flat 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 Flat among 112 races.

112 races

Above & Beyond 5K

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

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

Eco Gozo Ultra 55k

  • Europe | Malta | Gozo
  • Ultramarathon - 55 kilometers
  • May 02, 2015 - 08:00
  • Fast Flat Package tour Fun Trail

Grand Island Half Marathon

  • North America | USA | Mid-Atlantic | New York | Grand Island
  • Half Marathon
  • May 02, 2015 - 10:00
  • Flat

New River 5K

  • North America | USA | South Atlantic | North Carolina | Brownwood
  • Shorter than 10 km race - 5 kilometers
  • May 02, 2015 - 08:00
  • Fast Flat Road Running

New River Half Marathon

  • North America | USA | South Atlantic | North Carolina | Brownwood
  • Half Marathon
  • May 02, 2015 - 07:45
  • Fast Flat Road Running

New River Marathon

  • North America | USA | South Atlantic | North Carolina | Brownwood
  • Marathon
  • May 02, 2015 - 07:30
  • Boston Qualifier Fast Flat Road Running

OBX Ultramarathon

  • North America | USA | South Atlantic | North Carolina | Corolla
  • Ultramarathon - 50 kilometers
  • May 02, 2015 - 05:00
  • Flat Fun Green Barefoot Trail North Carolina Ultra Series Sand

Pacific Northwest Half Marathon

  • North America | USA | Oregon | Eugene
  • Half Marathon
  • May 02, 2015 - 07:00
  • Boston Qualifier Fast Charity Flat Road Running Fund raising

Pacific Northwest Marathon

  • North America | USA | Oregon | Eugene
  • Marathon
  • May 02, 2015 - 07:00
  • Boston Qualifier Fast Charity Flat Road Running Fund raising

Prairie du Chien Half Marathon

  • North America | USA | East North Central | Wisconsin | Prairie du Chien
  • Half Marathon
  • May 02, 2015 - 07:30
  • Walk Flat Road Running

Provo City Half Marathon

  • North America | USA | Mountain Region | Utah | Provo
  • Half Marathon
  • May 02, 2015 - 07:00
  • Boston Qualifier Fast Charity Flat Fun Road Running Mountain

Tiree Half Marathon

  • Europe | United Kingdom | Scotland | Argyll and Bute | Isle of Tiree
  • Half Marathon
  • May 02, 2015 - 13:00
  • Fast Flat Fun Green Road Running Tiree Fitness Sand

Cox Providence Marathon

  • North America | USA | New England | Rhode Island | Providence
  • Marathon
  • May 03, 2015 - 08:00
  • Boston Qualifier Fast Flat Relay