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

There are 19 marathons in Washington scheduled for 2026. The next is the Beat the Blerch in Carnation 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

Skagit Flats Marathon, Half & 5k

Sun, Sep 13 · Burlington, WA Burlington

5K1/2 MarathonMarathon

From $30 Open Closing Soon

Raging River Relay

Sun, Sep 13 · Liberty Lake, WA Liberty Lake

Raging River Relay

From $75 Open

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 DashSunset Sand 5KVirtual 5K +7

From $15 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

The Spokane Marathon

Sun, Oct 11 · Spokane, WA Spokane

Kids Fun Run5K10K +4

From $0 Open Closing Soon

Tri-Cities Marathon

Sun, Oct 25 · Richland, WA Richland

5KHalf MarathonMarathon Relay +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 MarathonYakima River Canyon Marathon +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

Kids 1KSaturday - Kids 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 SundayHalf Marathon Sunday +5

From $109 Closed