Half Marathons in Washington, United States 2026 11 events
21.1 kilometres (13.1 miles) — the bridge between the 10K and the full marathon. Browse upcoming events in United States.
Upcoming races
RunningIn 2 days
Cascade Express Marathon & Half Marathon
◎ North Bend, USA▤ Sep 12, 2026
42.2 km
RunningIn 3 days
16th Annual Race For A Soldier Half Marathon, 10K & 5K, Virtual Run, and Kids Run
◎ Gig Harbor, USA▤ Sep 13, 2026
21.1 km
RunningIn 3 days
Tunnel Light Marathon & Half Marathon
◎ North Bend, USA▤ Sep 13, 2026
21.1 km
RunningIn 9 days
Anacortes Half Marathon & 5k
◎ Anacortes, USA▤ Sep 19, 2026
21.1 km
RunningIn 2 weeks
Colbert Autumn Classic Half Marathon & 4-Mile Loop
◎ Colbert, USA▤ Sep 26, 2026
21.1 km
RunningIn 3 weeks
Leavenworth Marathon & Half Marathon
◎ Leavenworth, USA▤ Oct 3, 2026
21.1 km
RunningIn 4 weeks
2026 The Snohomish River Run Marathon, Half Marathon, 10K and 5K
◎ Snohomish, USA▤ Oct 11, 2026
42.2 km
RunningIn 3 months
2026 UW Medicine Seattle Marathon and Half Marathon
◎ Seattle, USA▤ Nov 29, 2026
21.1 km
RunningIn 6 months
Brooks Lake Sammamish Half Marathon presented by REI
◎ Redmond, USA▤ Mar 6-7, 2027
21.1 km
RunningIn 7 months
2027 Mill Town Half Marathon, 10K and 5K
◎ Everett, USA▤ Mar 27, 2027
21.1 km
RunningIn 7 months
Wenatchee Marathon, Half Marathon, 10k and 5k
◎ Wenatchee, USA▤ Apr 17, 2027
10 km