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Half Marathon Calendar near Renton 2025-2026

Explore the top half marathons near Renton for 2025-2026! We've gathered 45 exciting races in the area. Check out our detailed list below to find your next local race.

June 2026
Jun
27
Saturday

Tiger Peak Challenge

Trail Run 5 mi Half Marathon 50 km
July 2026
Jul
17-18
Fr - Sa

Mount Rainier Half Marathon

Trail Run 5 km 10 km Half Marathon
Jul
19
Sunday

B & O Half Marathon

10 km Half Marathon
Jul
25-26
Sa - Su

Jack & Jill Downhill Marathon

13 mi 26 mi
September 2026
Sep
19-20
Sa - Su

Seattle North Spartan Trifecta Weekend

Obstacle Run 5 km 10 km Half Marathon
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