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Triathlon Calendar near Bainbridge Island 2025-2026

Explore the top triathlons near Bainbridge Island for 2025-2026! We've gathered 67 exciting races in the area. Check out our detailed list below to find your next local race.

October 2025
Oct
12
Sunday

Snohomish River Run

5 km 10 km 13 mi 26 mi
Oct
18-21
Sa - Tu

Lake Washington Half Marathon

13 mi
Oct
18
Saturday

Where's Bigfoot 5K

5 km
Oct
19
Sunday

I Can And I Will Run

Oct
25
Saturday

Carkeek 12 Hour

Backyard Ultra 6 hr 12 hr
Oct
25
Saturday

West Seattle Monster Dash

Trail Run 5 km
Oct
25
Saturday

Wicked Fast 10K

Oct
25
Saturday

Cougar Mountain Trail Run

Trail Run 5 km 7 mi 19 mi 50 km
Oct
26
Sunday

Run Scared

2 mi 5 km 10 km
Oct
26
Sunday

Captain Jack's Treasure Run

5 km 8 km 12 km
November 2025
Nov
1
Saturday

Half Marathon at Langus Riverfront Park

13 mi
Nov
8
Saturday

Grand Ridge Trail Run

Trail Run 5 mi 13 mi 26 mi 50 km
Nov
9
Sunday

Run the Bay

5 km 10 km 13 mi
Nov
15
Saturday

Super Hero 5k - Seattle

5 km
Nov
16
Sunday

Kirkland Turkey Trot

5 km 10 km
Nov
22
Saturday

Tacky Turkey Sweater 5k

5 km
Nov
22
Saturday

Carnation Turkey Trot

5 km
Nov
27
Thursday

Woodinville Turkey Trot

5 km
Nov
27
Thursday

Tacoma City Turkey Trot

5 km
Nov
27
Thursday

Gig Harbor Turkey Trot

5 km
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