Marathons in Washington 2026 | Upcoming Races & Dates | My Next Race

There are 19 marathons in Washington scheduled for 2026. The next is the Cascade Express Marathon & Half Marathon in North Bend on September 12. Washington marathons run primarily September through July.

Beat the Blerch

Sat, Sep 12 · Carnation, WA Carnation

5K10KHalf Marathon +1

From $40 Open Closing Soon

Cascade Express Marathon & Half Marathon

Sat, Sep 12 · North Bend, WA North Bend

Cascade Express Half MarathonCascade Express Marathon

From $119 Open Closing Soon

Raging River Relay

Sun, Sep 13 · Liberty Lake, WA Liberty Lake

Raging River Relay

From $75 Open

Skagit Flats Marathon, Half & 5k

Sun, Sep 13 · Burlington, WA Burlington

5K1/2 MarathonMarathon

From $30 Open Closing Soon

Fall - Mud Mountain Dam Marathon & Half Marathon

Sat, Sep 19 · Enumclaw, WA Enumclaw

Fall - Dam Half MarathonFall - Dam Marathon

From $70 Open

Bellingham Bay Marathon

Sun, Sep 20 · Bellingham, WA Bellingham

5K10KHalf Marathon +3

From $30 Open

Pacific Coast Running Festival

Sat, Sep 26 · Long Beach, WA Long Beach

Kids 1 Mile & 1/2 Mile DashVirtual Sunset Sand 5KSunset Sand 5K +7

From $15 Open

The Spokane Marathon

Sun, Oct 11 · Spokane, WA Spokane

Kids Fun Run5K10K +4

From $0 Open

2026 The Snohomish River Run Marathon, Half Marathon, 10K and 5K

Sun, Oct 11 · Snohomish, WA Snohomish

The Snohomish River Run 5kThe Snohomish River Run 10kThe Snohomish River Run Half Marathon +1

From $45 Open

Tri-Cities Marathon

Sun, Oct 25 · Richland, WA Richland

5KHalf MarathonMarathon +1

From $25 Open

Last Chance Marathon and Half Marathon

Thu, Dec 31 · Bellingham, WA Bellingham

Half MarathonMarathon

From $60 Open

Yakima River Canyon Marathon and Half-Marathon

Sat, Apr 3 · Yakima, WA Yakima

1/2 Marathon1/2 MarathonMarathon Early Start +3

From $85 Closed

OAT Run

Sat, Apr 10 · Port Angeles, WA Port Angeles

OAT Run 12KOAT Run 12KOAT Run Half Marathon WAVE 2 +5

From $48 Open

Run the River

Fri, Apr 16 · Kennewick, WA Kennewick

Kids MarathonKids Marathon5k +9

From $15 Closed 50 spots left

Washington State Marathon

Sun, Apr 18 · Redmond, WA Redmond

Marathon

From $99 Open

Tacoma City Marathon / Half / Ghost / 10K / 5K / 1K

Sat, May 1 · Tacoma, WA Tacoma

Saturday - Kids 1KKids 1K5K +13

From $10 Open

Windermere Marathon

Sun, May 16 · Spokane, WA Spokane

Kids Fun Run5K5K +10

From $20 Open

North Olympic Discovery Marathon (5K / 10K/ Half / Full / Relay / Kids Marathon)

Sat, Jun 5 · Port Angeles, WA Port Angeles

Kids MarathonKids Marathon5K +15

From $15 Open

Jack & Jill Marathon & Half

Sat, Jul 24 · Snoqualmie Pass, WA Snoqualmie Pass

Half Marathon SaturdayHalf Marathon SaturdayHalf Marathon Sunday +5

From $109 Closed