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Triathlon Calendar near Sedro-Woolley 2025-2026

Explore the top triathlons near Sedro-Woolley for 2025-2026! We've gathered 15 exciting races in the area. Check out our detailed list below to find your next local race.

September 2025
Sep
14
Sunday

Skagit Flats Marathon

3 mi 13 mi 26 mi
Sep
20
Saturday

Anacortes Half Marathon

5 km 21 km
Sep
21
Sunday

Bellingham Bay Marathon

5 km 10 km 21 km 42 km
Sep
27
Saturday

Fidalgo Trail Run

Trail Run 5 mi 13 mi 26 mi
October 2025
Oct
5
Sunday

Baker Lake Classic 25k

Trail Run 25 km
Oct
25
Saturday

Scarin' Up Some Fun 5k Glow Run

Trail Run 5 km
Oct
25
Saturday

Harvest 5K Fun Run

5 km
November 2025
Nov
15
Saturday

Fowl Fun Run 10K

5 km 10 km
December 2025
Dec
6
Saturday

Anacortes Santa Run

5 km
Dec
13-14
Sa - Su

Deception Pass 50K

Trail Run 25 km 50 km
Dec
13
Saturday

Jingle Bell Run Bellingham

5 km
Dec
20
Saturday

Santa Run - Bellingham

5 km
Dec
31
Wednesday

Last Chance Marathon and Half Marathon

13 mi 26 mi
March 2026
Mar
7
Saturday

Lost Lake 25K

Trail Run 25 km
August 2026
Aug
8
Saturday

Larrabee Lakes

Trail Run 12 km 25 km 50 km
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