Win your entry for the 100km run Biel in Switzeland

2015 - 2016 Washington Flat Race Calendar

Browse our Marathons, Half Marathons, Ultra marathons, Multiday events organized in Washington bearing the tag Flat among 38 races.

38 races

Lake Sammamish Half Marathon

  • North America | USA | Pacific | Washington | Redmond
  • Half Marathon
  • March 07, 2015 - 09:00
  • Fast Charity Flat Evergreen Trail Runs

Snake River Half Marathon

  • North America | USA | Washington | Wawawai Park
  • Half Marathon
  • March 07, 2015 - 10:00
  • Flat Road Running

Blooms to Brews 10K

  • North America | USA | Washington | Woodland
  • 10k race
  • April 12, 2015 - 07:30
  • Flat Road Running

Blooms to Brews Half Marathon

  • North America | USA | Washington | Woodland
  • Half Marathon
  • April 12, 2015 - 07:30
  • Flat Road Running

Blooms to Brews Marathon

  • North America | USA | Washington | Woodland
  • Marathon
  • April 12, 2015 - 07:00
  • Boston Qualifier Flat Road Running

Negative Split Spokane 5K

  • North America | USA | Pacific | Washington | Spokane
  • Shorter than 10 km race - 5 kilometers
  • April 12, 2015 - 07:20
  • Fast Flat Road Running

Negative Split Spokane Half Marathon

  • North America | USA | Pacific | Washington | Spokane
  • Half Marathon
  • April 12, 2015 - 07:00
  • Fast Flat Road Running

Snake River Island Hop 100K

  • North America | USA | Washington | Ice Harbor Dam, Pasco
  • Ultramarathon - 100 kilometers
  • April 25, 2015 - 06:30
  • Flat

Snake River Island Hop 50K

  • North America | USA | Washington | Ice Harbor Dam, Pasco
  • Ultramarathon - 50 kilometers
  • April 25, 2015
  • Flat

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

Irwin Group 10K

  • North America | USA | Washington | Duvall
  • 10k race
  • June 07, 2015 - 08:00
  • Fast Charity Flat

Irwin Group 5K

  • North America | USA | Washington | Duvall
  • Shorter than 10 km race - 5 kilometers
  • June 07, 2015 - 08:00
  • Fast Charity Flat

Irwin Group Half Marathon

  • North America | USA | Washington | Duvall
  • Half Marathon
  • June 07, 2015 - 08:00
  • Fast Charity Flat

Ocean Shores 10K run/walk

  • North America | USA | Pacific | Washington | Ocean Shores
  • 10k race
  • July 12, 2015 - 07:00
  • Flat Fun Road Running Fund raising Sand