Learn More About the Great Bay 5K
Team Competitions
Being part of a team makes training and racing more fun!
Register for the Races!
Keep an eye out for registration for our 2026 race, which will take place in early spring!
Brewery Partners
We are proud to be in our fifth year of partnering with area breweries and restaurants.
Countdown to the GB5K!
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The Great Bay Stewards are proud to sponsor the 27th annual Great Bay 5K and the 5th annual Great Bay 55K Challenge. All proceeds from this important non-profit fundraiser will be used to protect Great Bay Estuary through support of conservation efforts by the Great Bay National Estuarine Research Reserve, as well as educational programs at and capital improvements to the Great Bay Discovery Center.
The Great Bay National Estuarine Research Reserve (GBNERR) is part of a national network of protected areas and promotes long-term research, education and stewardship throughout the Great Bay Estuary and is supported by the Great Bay Stewards, a non-profit friends group.
The Great Bay 5K | Race for a Healthy Estuary is the last race in the Seacoast Road Race series.
The Great Bay 5K | Race for a Healthy Estuary is the first race to be endorsed by the NE65+ Runners Club.
