Bellingham Bay Marathon
Race Date
Sep 21, 2025
Location
Bellingham, WA
The Experience
The Bellingham Bay Marathon, Half Marathon, 10K, and 5K are a group of races designed by runners for runners and walkers. Founded in 2007 by the Bellingham Bay Swim Team, BBM delivers a fun, highly personal, authentic race experience. 100% of net proceeds benefit Whatcom County youth non-profit organizations – for further information, please visit our Beneficiaries page.
Logistics
Race Day
Sunday, September 21, 2025
Start Time
6:00 AM
Start Location
2219 Rimland Dr Suite 301, Bellingham, WA, 98225
Course Info
Course Type
Loop Course
Terrain
road
Difficulty
Ultra-Flat
Elevation Gain
0'
Net Drop/km
0 m (Flat)
Separation
0.0%
Also Offers
Race Day Weather
5-year historical avgStart (Low)
52°
Afternoon (High)
67°
Pleasant conditions — light layers at start, comfortable by finish
0.1"
Precipitation
8 mph
Wind
78%
Humidity
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