Race calendar · October 2027 · Washington

Half Marathons in Washington in October 2027

Every Half Marathon in Washington in October 2027, all 5 of them, sorted by date. Dates, entry fees, finish-time stats from past results, and start-line maps.

5K Races in October10K Races in OctoberMarathons in WashingtonUltramarathons in Washington

When in October

The October Race Weekends

Half marathons are not spread evenly across October. Here is how the calendar actually falls, weekend by weekend, which is the part worth knowing before you book a trip or plan a taper around one.

  1. Oct 2 - Oct 31
  2. Oct 9 - Oct 102
  3. Oct 16 - Oct 171
  4. Oct 23 - Oct 241

By the numbers

The Biggest Field

The largest field of any October Half Marathon in Washington, from the most recent published results.

Largest field913 finishersGirlfriends Runin the 4 Miles

Washington Half Marathons by City in October

Maple Valley 1Richland 1Snohomish 1Spokane 1Vancouver 1
Open map ↗

All Half Marathons in Washington in October

5 total
Sat, Oct 2, 2027Run for the Gnomes Half Marathon & 5K Maple Valley, WAHalf Marathon10KFrom $83Details Sun, Oct 10, 2027Girlfriends Run Vancouver, WA4 Miles10KHalf MarathonFrom $89Details Sun, Oct 10, 2027The Spokane Marathon Spokane, WAMarathonHalf Marathon10K5KFrom $85Details Sun, Oct 17, 20272027 The Snohomish River Run Marathon, Half Marathon, 10K and 5K Snohomish, WA5K10KHalf MarathonMarathonFrom $80Details Sun, Oct 24, 2027Tri-Cities Marathon Richland, WAMarathonHalf Marathon5KRegistration opens Jan 1, 2027From $65Details

Half Marathons in Other Months

JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberNovemberDecember