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Running Calendar near Sedro-Woolley 2025-2026

Monthly updates for Sedro-Woolley

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

Explore the top running races near Sedro-Woolley for 2025-2026! We've gathered 17 exciting races in the area. Check out our detailed list below to find your next local race.

Half Marathons Marathons Trail Runs Triathlons
December 2025
Dec
31
We

Last Chance Marathon and Half Marathon

13 mi 26 mi
January 2026
Jan
1
Th

Smokestack Out'N Back 5K

5 km
Jan
10
Sa

Hot Cocoa Run - Arlington

5 km 10 km
Jan
11
Su

Lake Samish Runs

7 mi 13 mi
Jan
24
Sa

Get Outside 5k Fun Run

Trail Run 5 km
February 2026
Feb
14-15
Sa - Su

Fort Ebey Kettles Trail Run

Trail Run 5 km 11 km Half Marathon Marathon
Feb
14
Sa

Woolley Trail Runs

Trail Run 8 km Half Marathon ... Marathon 50 km
Feb
14
Sa

Song Sparrow Bridge 10K at Northern State

Trail Run 10 km
Feb
28
Sa

Rock Solid Marathon

Trail Run Half Marathon Marathon
March 2026
Mar
7
Sa

Lost Lake 25K

Trail Run 25 km
Mar
14
Sa

St. Patrick's Day 10K - Arlington

5 km 10 km
April 2026
Apr
26
Su

Whidbey Island Marathon

5 km 10 km 13 mi 26 mi
June 2026
Jun
6
Sa

Forge

Backyard Ultra 50 mi
August 2026
Aug
1-2
Sa - Su

Hamster Endurance Runs

Backyard Ultra 6 hr 12 hr 24 hr 32 hr
Aug
8
Sa

Larrabee Lakes

Trail Run 12 km 25 km 50 km
September 2026
Sep
13
Su

Skagit Flats Marathon

3 mi 13 mi 26 mi
Sep
26
Sa

Fidalgo Trail Run

Trail Run 5 mi Half Marathon Marathon