Half Marathon Races in Washington
Find Half Marathon running races in Washington. Browse upcoming half marathon events, registration details, and race information for 2026.
2 races found
Trail
Kewash Marathon, Half Marathon, 10K & 5K
25 Apr 2026
Washington, United States
Kewash Marathon, Half Marathon, 10K & 5K is a 5K trail race held in Washington, IA. The Kewash Marathon makes its debut in 2026, giving runners the chance to tackle 26.2 miles along the scenic Kewash Trail.
Road
Washington Dogtown Races
30 Jan 2027
Washington, United States of America
21.1km · Half Marathon