Join us on Sunday, September 21st, 2025 for the Full Marathon, Half Marathon, 5K and 10K.
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.
Results for open division are based on official (gun start) time in accordance with USATF rules for scoring road races. Chip times are provided for your information. Walking events are non-competitive events with no awards and the results are not used for USATF scoring purposes.
Often called one of the most beautiful races in the Pacific Northwest, the Bellingham Bay Marathon (and half marathon, 10k, 5k and relay) takes place the last Sunday of September.
Join us on Sunday, September 21st, 2025 for the Full Marathon, Half Marathon, 5K and 10K. Featuring views of Bellingham Bay, San Juan Islands, and North Cascades mountains. One of the most beautiful road races in the Pacific Northwest!
Photos from the Bellingham Bay Marathon
Thank you to our sponsors and partners who help make the Bellingham Bay Marathon, Half-Marathon, 10K, and 5K events possible!