Half Marathons in Washington, United States 2026 4 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 3 weeks
2026 UW Medicine Seattle Marathon and Half Marathon
◎ Seattle, USA▤ Nov 29, 2026
21.1 km
RunningIn 4 months
Brooks Lake Sammamish Half Marathon presented by REI
◎ Redmond, USA▤ Mar 6-7, 2027
21.1 km
RunningIn 5 months
2027 Mill Town Half Marathon, 10K and 5K
◎ Everett, USA▤ Mar 27, 2027
21.1 km
RunningIn 5 months
Wenatchee Marathon, Half Marathon, 10k and 5k
◎ Wenatchee, USA▤ Apr 17, 2027
10 km