Half Marathons in Washington, United States 2026
21.1 kilometres (13.1 miles) — the bridge between the 10K and the full marathon. Browse upcoming events in United States.
14 upcoming races
Upcoming Races
Running
Tunnel Vision Marathon & Half Marathon
Aug 9, 2026North Bend, USA
Run 21 m
Running
Children of the Sun Half Marathon
Aug 22, 2026Spokane, USA
Run 21 m
Running
2026 Kirk-Wood Half Marathon
Aug 22, 2026Kirkland, USA
Run 21 m
Running
Cascade Express Marathon & Half Marathon
Sep 12, 2026North Bend, USA
Run 42 m
Running
16th Annual Race For A Soldier Half Marathon, 10K & 5K, Virtual Run, and Kids Run
Sep 13, 2026Gig Harbor, USA
Run 21 m
Running
Tunnel Light Marathon & Half Marathon
Sep 13, 2026North Bend, USA
Run 21 m
Running
Anacortes Half Marathon & 5k
Sep 19, 2026Anacortes, USA
Run 21 m
Running
Colbert Autumn Classic Half Marathon & 4-Mile Loop
Sep 26, 2026Colbert, USA
Run 21 m
Running
Leavenworth Marathon & Half Marathon
Oct 3, 2026Leavenworth, USA
Run 21 m
Running
2026 The Snohomish River Run Marathon, Half Marathon, 10K and 5K
Oct 11, 2026Snohomish, USA
Run 42 m
Running
2026 UW Medicine Seattle Marathon and Half Marathon
Nov 29, 2026Seattle, USA
Run 21 m
Running
Brooks Lake Sammamish Half Marathon presented by REI
Mar 6-7, 2027Redmond, USA
Run 21 m
Running
2027 Mill Town Half Marathon, 10K and 5K
Mar 27, 2027Everett, USA
Run 21 m
Running
Wenatchee Marathon, Half Marathon, 10k and 5k
Apr 17, 2027Wenatchee, USA
Run 10 m