Bellingham Bay Marathon 2025 returns on September 21, 2025, delivering breathtaking Pacific Northwest views across a variety of race formats: 5 km, 10 km, half marathon, full marathon, and a marathon relay. The point-to-point full marathon begins at Lummi Nation School, travels through scenic bayside and urban trails, and concludes at Depot Market Square in downtown Bellingham. The other distances follow looped routes starting and finishing at Depot Market Square, showcasing the waterfront, wooded greenways, and Bellingham’s vibrant cityscape. Organized by the Bellingham Bay Swim Team since 2007, the race donates all net proceeds to local youth-focused non-profits. Known for its community energy, excellent course support, Boston-qualifying status, and festive finish line, it remains a favorite for local and visiting runners alike.
Race Date:
21 September, 2025
Also organized by Pacific Multisports, the 10K starts at 9:45 AM PDT on September 21, 2025 at Depot Market Square, providing a walker‑friendly version of the scenic half marathon loop along the bay.
Weather based on historical averages.
Also organized by Pacific Multisports, the 10K starts at 9:45 AM PDT on September 21, 2025 at Depot Market Square, providing a walker‑friendly version of the scenic half marathon loop along the bay.
The Bellingham Bay 10K is 10km long.
The Bellingham Bay 10K takes place in Bellingham, WA, USA.
The Bellingham Bay 10K elevation gain is 93 meters, which Runna classifies as a Rolling race.
The best way to train for the next race is to use a personalized training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalized training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
Also organized by Pacific Multisports, the 10K starts at 9:45 AM PDT on September 21, 2025 at Depot Market Square, providing a walker‑friendly version of the scenic half marathon loop along the bay.
The Bellingham Bay 10K is 10km long.
The Bellingham Bay 10K takes place in Bellingham, WA, USA.
The Bellingham Bay 10K elevation gain is 93 meters, which Runna classifies as a Rolling race.
The best way to train for the next race is to use a personalized training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalized training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
Running
Relay
Fun Run
This event listing is for informational purposes only. Runna is not affiliated with, endorsed by, or sponsored by Bellingham Bay Marathon 2025 or Bellingham Bay Swim Team. All event details are based on publicly available information and are provided solely to help users discover running events. Runna does not use any official logos, images, or proprietary content from this event or its organiser. Any trademarks or names mentioned are used descriptively to identify the event in a factual manner. For the most accurate and up to date information (including to register or purchase an entry to the event), please visit the Bellingham Bay Marathon 2025 website.