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Trail Running Calendar near Tukwila 2025-2026

Explore the top trail runs near Tukwila for 2025-2026! We've gathered 131 exciting races in the area. Check out our detailed list below to find your next local race.

August 2026
Aug
29
Saturday

Summer Spirit Run

5 km 10 km 15 km
Aug
30
Sunday

Iron Horse Half Marathon

13 mi
September 2026
Sep
7
Monday

Redmond Harvest Half Marathon

Half Marathon
Sep
12
Saturday

Remembrance of 9/11 Memorial 9.11K

5 km 9 km
Sep
12
Saturday

Oktoberfest Fly Away 10K Run

5 km 10 km
Sep
12
Saturday

Cascade Express Marathon

Trail Run 13 mi 26 mi
Sep
19-20
Sa - Su

Seattle North Spartan Trifecta Weekend

Obstacle Run 5 km 10 km Half Marathon
Sep
19-20
Sa - Su

Orca Half Marathon

8 mi Half Marathon
Sep
20
Sunday

Run of the Mill 5k - Mill Creek

5 km
October 2026
Oct
2-4
Fr - Su

North Bend Trail Fest

Trail Run 10 km 30 km
Oct
3
Saturday

Run for the Gnomes Half Marathon

5 km Half Marathon
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