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Triathlon Calendar near Mount Vernon 2025-2026

Explore the top triathlons near Mount Vernon for 2025-2026! We've gathered 7 exciting races in the area. Check out our detailed list below to find your next local race.

March 2025
Mar
15
Saturday

St. Patrick's Day 10K - Arlington

5 km 10 km
Mar
15
Saturday

Shamrock 5K Fun Run

5 km
April 2025
Apr
27
Sunday

Whidbey Island Marathon

5 km 10 km 13 mi 26 mi
May 2025
May
17
Saturday

Chris Mang Memorial Charity Fun Run/Walk

5 km
May
18
Sunday

Jefferson Healthcare Rhody Run

5 km 10 km
May
25
Sunday

Sucia Island: Rendezvous

Trail Run 20 mi
July 2025
Jul
12
Saturday

Kill Bill's Oyster Dome Challenge

Trail Run 25 km 50 km
Jul
12
Saturday

Lake Whatcom Triathlon

Triathlon
August 2025
Aug
2-3
Sa - Su

Hamster Endurance Runs

Backyard Ultra 6 hr 12 hr 24 hr 32 hr
Aug
9
Saturday

Larrabee Lakes

Trail Run 12 km 25 km 50 km
Aug
9
Saturday

Race the Reserve Whidbey Island

Trail Run
September 2025
Sep
20
Saturday

Anacortes Half Marathon

5 km 13 mi
Sep
21
Sunday

Bellingham Bay Marathon

5 km 10 km 13 mi 26 mi
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
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