Register for 2021 Bellingham Bay Marathon, Half Marathon, 10K and 5K

The Bellingham Bay Marathon, Half Marathon, 10K, 5K and full marathon relay (for groups of 2-5) is 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 Whatcom FC Rangers and Bellingham Bay Swim Team.

The 2021 Bellingham Bay Marathon is going to a 2 day format. The 5K and 10K will be run on Saturday, September 25th and the Half and Full Marathon will be run on Sunday, September 26th. Participants now have the opportunity to take on 1 of 4 different challenges by running on both Saturday and Sunday. For full details for the 2021 Bellingham Bay Marathon visit www.BellinghamBayMarathon.org.