When does the Bellingham Bay Marathon sell out?

Bellingham Bay Marathon hasn't published a hard registration deadline. Most races of this size raise the entry fee in tiers (early-bird, regular, late) and can sell out without warning — sign up early if you're committed.

Marathon

Road

Charity

Bellingham Bay Marathon

Q: How hard is the Bellingham Bay Marathon Marathon?

Bellingham Bay Marathon is a Marathon on a road course in Bellingham, Washington. We don't have a verified elevation profile yet — check the organizer's course map for the climb breakdown.

Q: What should I wear for the Bellingham Bay Marathon?

Race-day weather in Bellingham can swing year over year, so dress for the forecast on the day. As a rule of thumb, dress for ~10°F warmer than the standing temperature once you start running. Layer with a throwaway long-sleeve at the start, gloves and a hat for sub-50°F mornings, and a singlet plus a visor when it climbs above 60°F. The published start time is 6:45 AM. Check the race-day weather forecast on this page closer to the date for a specific recommendation.

September 20, 2026

Bellingham, Washington

Rolling Course

Decision scores

Six 0–100 scores telling you, at a glance, who this race is for.

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Best for

Great for beginners

Walker-friendly

Big local vibe

Charity race

About the Race

Join us on Sunday, September 20th, 2026 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, the Whatcome Football Club Rangers & Bellingham Bay Swim Team. Event Schedule & Information Pre-Race Packet Pickup Date: Saturday – September 19, ...

Course Profile

Course profile data unavailable for this race.

Course features

Terrain

road

Surface

Road

Elevation gain

Not measured

Course type

Not stated

Field size

Unknown

Boston qualifier

Course map

Not yet published

Elevation profile

Not measured

Accessibility & inclusion

Walker-friendly

Yes

Stroller-friendly

Dog-friendly

Kids race

Vibe & community

charity

Charity race.

History & past results

Years running

Unknown — claim to add

Recurrence

Annual (assumed)

Past finisher times and year-over-year participation will appear here once the organizer publishes them.

Reviews

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Common questions

How hard is the Bellingham Bay Marathon Marathon?

We don't have a verified elevation profile yet — check the organizer's course map for the climb breakdown.

What should I wear?

Dress for ~10°F warmer than the standing temperature once you start running. Throwaway long-sleeve at the start, gloves and a hat for sub-50°F mornings, singlet plus visor when it climbs above 60°F. The race-day forecast above is the source of truth closer to the date.