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

There are 18 marathons in Washington scheduled for 2026. The next is the Tri-Cities Marathon in Richland on October 25. Washington marathons run primarily October.

Tri-Cities Marathon

Sun, Oct 25 · Richland, WA Richland

5KHalf MarathonMarathon Relay +1

From $25 Open Closing Soon

Last Chance Marathon and Half Marathon

Thu, Dec 31 · Bellingham, WA Bellingham

Half MarathonMarathon

From $60 Open

Rock Solid Marathon, Half Marathon

Fri, Feb 26 · Coupeville, WA Coupeville

Rock Solid Half MarathonRock Solid Half MarathonRock Solid Virtual Half Marathon +3

From $85 Open 25 spots left

Birch Bay Road Race

Sat, Apr 3 · Blaine, WA Blaine

5K5K5k--Canadian Resident +9

From $24 Open Closing Soon

Yakima River Canyon Marathon and Half-Marathon

Sat, Apr 3 · Yakima, WA Yakima

1/2 Marathon1/2 MarathonMarathon Early Start +3

From $85 Open

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 Open 50 spots left

Washington State Marathon

Sun, Apr 18 · Redmond, WA Redmond

Marathon

From $99 Open Closing Soon

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

Sat, May 1 · Tacoma, WA Tacoma

Kids 1KSaturday - Kids 1KSaturday - 5K +13

From $10 Open

Capital City Marathon

Sat, May 15 · Olympia, WA Olympia

Five MileFive MileHalf Marathon +3

From $20 Open Closing Soon

Windermere Marathon

Sun, May 16 · Spokane, WA Spokane

Kids Fun Run5K5K +10

From $20 Open Closing Soon

Spring - Mud Mountain Dam Marathon & Half Marathon

Sat, May 29 · Enumclaw, WA Enumclaw

Spring - Dam Half MarathonSpring - Dam Half MarathonSpring - Dam Marathon +1

From $70 Closed

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

Bound for Boston Marathon & Half Marathon - Seattle

Sun, Jun 13 · Olympia, WA Olympia

Virtual Half MarathonHalf MarathonHalf Marathon +5

From $25 Closed

Super Hyak Marathon and Half

Sat, Jun 19 · North Bend, WA North Bend

Super Hyak Half MarathonSuper HYAK Half MarathonSuper HYAK Marathon +1

From $119 Closed

Jack & Jill Marathon & Half

Sat, Jul 24 · Snoqualmie Pass, WA Snoqualmie Pass

Half Marathon SundayHalf Marathon SaturdayHalf Marathon Sunday +5

From $109 Open Closing Soon

Fall - Mud Mountain Dam Marathon & Half Marathon

Sat, Sep 4 · Enumclaw, WA Enumclaw

Fall - Dam Half MarathonFall - Dam Half MarathonFall - Dam Marathon +1

From $70 Closed

2027 The Snohomish River Run Marathon, Half Marathon, 10K and 5K

Sun, Oct 17 · Snohomish, WA Snohomish

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

From $40 Open