Register for the Great Bay 5K

You can register online, by mail, or in-person for the Great Bay 5K. Your registration must be received by September 26 for you to receive a long-sleeve, tech race shirt. Children 15 and under can register for only $15! All registration fees, after race expenses are paid, help preserve, protect, and provide education about the Great Bay and its watershed.

The 2019 Great Bay 5K will be run on

Saturday, October 26, 2019, at 9:00am.

Registration for the 2019 Great Bay 5K is not yet open.

Check back here to download a registration for for the 2019 Great Bay 5K in the Spring of 2019.

You will be able to register in person at packet pick-up at the Great Bay Discovery Center on October 25 from 12pm – 6pm, or at Stratham Hill Park, Route 33, Stratham, NH from 7:30am – 8:45am on October 26.


Print out an entry form: 2018 GB5K Entry Form.