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Trail Running Calendar near Tukwila 2025-2026

Monthly updates for Tukwila

Get new running races (and updates) in your inbox every month.

Explore the top trail runs near Tukwila for 2025-2026! We've gathered 41 exciting races in the area. Check out our detailed list below to find your next local race.

May 2026
May
23
Sa

The Freedom 50

Trail Run 31 mi 50 mi
May
30
Sa

Lake Tye Challenge

Trail Run 3 hr 6 hr 12 hr
June 2026
Jun
6
Sa

Vashon Island Ultramarathon & Trail Run

Trail Run 10 mi 20 mi 50 km
Jun
6
Sa

Rainier to Ruston Relay

Trail Run 50 mi
Jun
6
Sa

Tiger Mountain Trail Run

Trail Run 5 km 13 km 14 mi
Jun
7
Su

Light at the End of the Tunnel Marathon

Trail Run Half Marathon Marathon
Jun
13
Sa

Cougar Mountain Trail Run Series

Trail Run 5 km 8 mi 15 mi
Jun
20
Sa

Tiger Peak Challenge

Trail Run 5 mi Half Marathon 50 km
Jun
20
Sa

Hotfoot Trail Run

Trail Run 5 km
July 2026
Jul
11
Sa

Cougar Mountain Trail Run Series

Trail Run 3 mi 11 mi 20 mi
Jul
18
Sa

Mount Rainier Half Marathon

Trail Run 5 km 10 km 13 mi
August 2026
Aug
8
Sa

Cougar Mountain Trail Run Series

Trail Run 5 km 15 mi 26 mi
Aug
9
Su

Tunnel Vision Marathon

Trail Run Half Marathon Marathon
Aug
15
Sa

Twilight at the Bay

Trail Run 5 km 10 km Half Marathon
September 2026
Sep
12
Sa

Cascade Express Marathon

Trail Run 13 mi Marathon
Sep
12
Sa

Beat the Blerch

Trail Run 5 km 10 km Half Marathon Marathon
Sep
13
Su

Tunnel Light Marathon

Trail Run Half Marathon Marathon
October 2026
Oct
3-4
Sa - Su

North Bend Trail Fest

Trail Run 10 km 30 km
Oct
5
Mo

North Bend Skyline 30K

Trail Run
November 2026
Nov
7
Sa

Grand Ridge Trail Run

Trail Run 5 mi Half Marathon Marathon 50 km