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Obstacle Race Calendar near Renton 2025-2026

Explore the top obstacle runs near Renton for 2025-2026! We've gathered 116 exciting races in the area. Check out our detailed list below to find your next local race.

June 2026
Jun
27
Saturday

Sisu 24 Ultra PNW

Backyard Ultra 100 mi 24 hr
Jun
27
Saturday

Tiger Peak Challenge

Trail Run 5 mi Half Marathon 50 km
Jun
27
Saturday

Seattle Half Marathon

5 km 10 km Half Marathon
July 2026
Jul
4
Saturday

The Best Races - Seattle

5 km 10 km 13 mi
Jul
17-18
Fr - Sa

Mount Rainier Half Marathon

Trail Run 5 km 10 km Half Marathon
Jul
18
Saturday

Lookin For A Cure Seattle

5 km
Jul
19
Sunday

B & O Half Marathon

10 km Half Marathon
Jul
25
Saturday

University Place Twisted Cider 12K

5 km 12 km
Jul
25-26
Sa - Su

Jack & Jill Downhill Marathon

13 mi 26 mi
Jul
25
Saturday

The Best Races - Seattle

5 km 10 km Half Marathon
August 2026
Aug
15
Saturday

One Step Closer

Backyard Ultra 3 hr 6 hr 12 hr 18 hr
Aug
16
Sunday

Sundae Runday

2 mi 5 km 10 km
Aug
30
Sunday

Iron Horse Half Marathon

13 mi
September 2026
Sep
12
Saturday

Remembrance of 9/11 Memorial 9.11K

5 km 9 km
Sep
19-20
Sa - Su

Seattle North Spartan Trifecta Weekend

Obstacle Run 5 km 10 km Half Marathon
Sep
20
Sunday

Run of the Mill 5k - Mill Creek

5 km
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