Great Bay 5K | Race for a Healthy Estuary & Great Bay 55K Challenge

The Great Bay 5K is part of the Seacoast Road Race Series

23rd Annual Great Bay 5K:

In-Person: Saturday, October 30, 2021 at 9am

Greenland & Stratham, NH

Virtual 5K and 2nd Annual Virtual Great Bay 55K Challenge:

October 1 – 30, 2021

 

Learn More About the Great Bay 5K and Great Bay 55K Challenge

Team Competitions

Being part of a team makes training and racing more fun!

Register for the Races!

Registration is now open for the Great Bay 5K | Race for a Healthy Estuary and the Great Bay 55K Challenge!

GB55K Challenge

 Back for 2021,  the Great Bay 55K Challenge is a great opportunity to complete a virtual 55K route around the Great Bay Estuary. 

Countdown to the GB5K!

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 The Great Bay Stewards are proud to sponsor the 23rd annual Great Bay 5K and the 2nd 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.

Great Bay 5K
Great Bay National Estuarine Research Reserve

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.

Great Bay 5K
Great Bay National Estuarine Research Reserve

 

 

 

Great Bay National Estuarine Research Reserve

 

 

 

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.