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Trail Running Calendar near Lake Forest Park 2026-2027

Monthly updates for Lake Forest Park

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

Explore the top trail runs near Lake Forest Park for 2026-2027! We've gathered 38 exciting races in the area. Check out our detailed list below to find your next local race.

June 2026
Jun
6
Sa

Lumberjack 100

Trail Run 50 mi 100 km 100 mi
Jun
7
Su

Light at the End of the Tunnel Marathon

Trail Run 13 mi 26 mi
Jun
13
Sa

Cougar Mountain Trail Run Series

Trail Run 5 km 8 mi 15 mi
Jun
20
Sa

Hotfoot Trail Run

Trail Run 5 km
Jun
27
Sa

Tiger Peak Challenge

Trail Run 5 mi 13 mi 50 km
July 2026
Jul
3
Fr

Popsicle Run

Trail Run Half Marathon Marathon 50 km
Jul
11
Sa

Cougar Mountain Trail Run Series

Trail Run 5 km 11 mi 20 mi
Jul
22
We

Dirt Circus - Seattle

Trail Run 4 mi 7 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
September 2026
Sep
12
Sa

Cascade Express Marathon

Trail Run Half Marathon Marathon
Sep
12
Sa

Beat the Blerch

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

Tunnel Light Marathon

Trail Run 13 mi 26 mi
Sep
19
Sa

Dragonslayer Fantasy Dash and Strut - Seattle

Trail Run 5 km
October 2026
Oct
3-4
Sa - Su

North Bend Trail Fest

Trail Run 10 km 30 km 35 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
December 2026
Dec
12
Sa

Pigtails Run

Trail Run Half Marathon Marathon 50 km