Washington Running Calendar 2025-2026

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Explore the best running races in Washington for 2025-2026! Our updated list features 307 exciting races across the region. Find your next race in Washington below and join the running community at these great events!

Half Marathons Marathons Trail Runs Triathlons
September 2026
Sep
19
Saturday

Cirque Series - Crystal Mountain

Trail Run 8 mi
Sep
19
Saturday

Plain Endurance Runs

Trail Run 100 km
Sep
19-20
Sa - Su

Orca Half Marathon

8 mi Half Marathon
Sep
20
Sunday

Run of the Mill 5k - Mill Creek

5 km
Sep
20
Sunday

Ironman 70.3 Washington Tri-Cities

Triathlon
October 2026
Oct
3
Saturday

Leavenworth Marathon

Half Marathon Marathon
Oct
3
Saturday

Race for Campus Safety - Pullman, Washington

5 km 10 km
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