Marathons in Washington, United States
83 upcoming races are listed in Washington, including 22 marathons, 71 half marathons and 16 ultras. The next is Colbert Autumn Classic Half Marathon & 4-Mile Loop on September 26, 2026.
October has the most races. Race pages link the official source where we have one. Confirm dates and prices with the organizer before you register.
83
Races listed
22
Marathons
October
Busiest month
16 Jun
Last updated
| Date | Race | City | Distances |
|---|---|---|---|
| 6 Mar 2027 06Mar 27 | Brooks Lake Sammamish Half Marathon presented by REI | Redmond | 21.1K · Virtual |
| 27 Mar 2027 27Mar 27 | Whitehorse Half Marathon | Arlington | 21.1K |
| 28 Mar 2027 28Mar 27 | Redmond City Marathon 26.2 | Redmond | 42.2K · 21.1K |
| 3 Apr 2027 03Apr 27 | Yakima River Canyon Marathon and Half-Marathon | Yakima | 42.2K · 21.1K |
| 16 Apr 2027 16Apr 27 | Run the River | Kennewick | 42.2K · 21.1K · 5K |
| 17 Apr 2027 17Apr 27 | Bremerton Marathon | Bremerton | 42.2K · 21.1K |
| 17 Apr 2027 17Apr 27 | Wenatchee Marathon | Wenatchee | 42.2K · 21.1K |
| 1 May 2027 01May 27 | Tacoma City Marathon / Half / Ghost / 10K / 5K / 1K | Tacoma | 42.2K · 21.1K · 10K |
| 2 May 2027 02May 27 | Kirkland Half Marathon & 5K | Kirkland | 21.1K · 5K · Kids |
| 16 May 2027 16May 27 | Capital City Marathon | Olympia | 42.2K · 21.1K |
| 16 May 2027 16May 27 | Windermere Marathon | Spokane | 42.2K · 21.1K |
Go a level deeper
Links go down the map, not sideways. Each region and city has its own page of races.
Cities
Common questions
When is the next race in Washington?
Colbert Autumn Classic Half Marathon & 4-Mile Loop on September 26, 2026. The table above lists every upcoming race in date order.
Which months are busiest in Washington?
October (30), November (18), December (16), counting every upcoming race listed in Washington.
Which distances can I run in Washington?
The listed races include 22 marathons, 71 half marathons, 16 ultras, 53 10Ks and 54 5Ks. Many events offer more than one distance on the same day.
How do I confirm a race’s details?
Open the race page and check its provenance ledger, which shows where each fact came from. Then confirm the date, price and entry rules with the organizer before you register or book travel.
Spotted something wrong on this page?
Dates and prices move · tell us and we check the organizer’s source