Race Details Event Date 10/25/25 Race start time(s) 9:00 AM Registration start 7:00 AM Event Location Great Bay Discovery Center Event Address 89 Depot Rd Event City Greenland Event State NH Race ID 275 Race Description The Great Bay 5K | Race for a Healthy Estuary is one of the premiere and fastest 5K races in New England. It supports conservation, education, responsible recreation and research of the Great Bay & Piscataqua River Watershed and Estuary in New Hampshire and Maine. Race features top 3 male/female cash awards for running, race walking and wheelchair competition, costume awards, team competition & 5-year Age Groups from 10 to 100. The Course is USATF Certified (NH18007BK), point to point and mostly downhill with scenic views of Great Bay. If you are looking to improve your personal record (PR) for a 5K, this race is for you! Race Special Features include: 1. 5-year age groups for 65+: 3 deep 2. Discount for 15 & under and 65+: $5.00 3. Age Graded Awards: Top 3 male/female Age Graded Times 4. Male & Female Team Awards based on placement in each age group 5. New England Oyster Cup Team Competition to claim the fastest team with 3 female and 3 male athletes. 6. Beer/Hard Cider and half dozen Oysters at participating beer and oyster sponsors Event Information Registration URL https://runsignup.com/Race/NH/Stratham/GreatBay5KRacefortheEstuary Course Map Course map USATF Course Certification Map Website https://greatbay5k.org/ Social Media Race Facebook page USATF Cert. No. NH18007BK Results Online Results Athlinks Older Results GSRS Results Archive Recent Results 2025202420232022202120192018201720162015 Race comments Race not held in 2020