Registration | Great Bay 5K and Great Bay 55K Challenge

Race for a Healthy Estuary

Online registration is now closed. All registration fees help preserve, protect, and provide education about the Great Bay Estuary and its watershed.

The Great Bay 5K will be held in person on Saturday, October 30, 2021. You can also run the 5K and the Great Bay 55K Challenge virtually any time from Thursday, October 1 to Saturday, October 30, 2021.

Registration ends October 27, 2021 at 11:59pm EDT. Registration is only available online.

Great Bay 5K 2021 Registration Fees

Fees increase on August 1, 2021

Great Bay 5K

In-Person or Virtual

 Long-sleeve Race Shirt and Bib

 Youth 15 and Under: $20
Adults 16 – 69: $25
Adults 70 and over: $20

Great Bay 55K Challenge

Virtual Only

Hat and Bib

Youth 15 and Under: $30
Adults 16 – 69: $35
Adults 70 and over: $30

Great Bay 5K and Great Bay 55K

In-Person or  Virtual

Race Shirt, Hat and Bib

Youth 15 and Under: $50
Adults 16 – 69: $55
Adults 70 and over: $50

Print the 2020 T-Shirt and Hat Order Form (to order extra shirts and hats).