Great Bay 5K | Race for a Healthy Estuary
- Date Wed 30th September 2026 - Sat 24th October 2026
- Time 9:00AM EDT
- Location Stratham, New Hampshire
- Price $33.63 - $38.96
- Races 2 races
- Distances 5km, Ultra
Event summary
Get ready for an exhilarating experience at the Great Bay 5K, taking place in Stratham, Rockingham, from September 30 to October 24, 2026! This highly anticipated event marks the 28th annual race, serving as the grand finale of the popular Seacoast Road Race Series. Participants can look forward to a scenic and mostly downhill course along the picturesque shores of Great Bay, making it an ideal setting for both seasoned runners and casual walkers alike.
In addition to the 5K race, the event also features the exciting Great Bay 55K Challenge, where adventurous participants can run the entire distance in one day or complete it anytime between October 1 and 24. Wheelchair racers are warmly welcomed, with a special start time at 8:45 a.m. before the main event kicks off at 9:00 a.m. Each participant will receive a stylish long-sleeve race shirt and a bib that allows for complimentary beer or cider at select establishments. Remember to register by October 1 to secure your race shirt! Join us for this festive occasion, where all proceeds support the Great Bay Stewards, contributing to vital conservation and community outreach efforts for the beautiful Great Bay Estuary. Don't miss out
In addition to the 5K race, the event also features the exciting Great Bay 55K Challenge, where adventurous participants can run the entire distance in one day or complete it anytime between October 1 and 24. Wheelchair racers are warmly welcomed, with a special start time at 8:45 a.m. before the main event kicks off at 9:00 a.m. Each participant will receive a stylish long-sleeve race shirt and a bib that allows for complimentary beer or cider at select establishments. Remember to register by October 1 to secure your race shirt! Join us for this festive occasion, where all proceeds support the Great Bay Stewards, contributing to vital conservation and community outreach efforts for the beautiful Great Bay Estuary. Don't miss out
Organiser's Description
REGISTRATION OPENS ON APRIL 1, 2026
The Great Bay 5K is excited to hold its 28th annual race in 2026! The GB5K is the final race in the popular Seacoast Road Race Series and supports the non-profit Great Bay Stewards. The course passes the shores of Great Bay, and is a fun, fast, scenic, and mostly downhill event. In 2026, we are pleased to bring back the Great Bay 55K Challenge - run the entire 55 kilometers in one day, or complete the total distance anytime between October 1 - 24.
Wheelchair racers are welcome and will start at 8:45 a.m., prior to the 9:00 a.m. runner/walker start. No motorized wheelchairs are permitted, and wheelchair racers are responsible for maintaining their own equipment.
Participants in the 5K events will receive a long-sleeve race shirt, and everyone will get a bib with tear strips that you can take to select establishments for free beer or cider. Please keep in mind that you must register by October 1 to get a race shirt. People who register after that may claim a shirt if any remain on race day.
All proceeds from the Great Bay 5K go to the non-profit Great Bay Stewards, which supports conservation, education, community outreach, stewardship, and research of the Great Bay Estuary.
The Great Bay 5K is excited to hold its 28th annual race in 2026! The GB5K is the final race in the popular Seacoast Road Race Series and supports the non-profit Great Bay Stewards. The course passes the shores of Great Bay, and is a fun, fast, scenic, and mostly downhill event. In 2026, we are pleased to bring back the Great Bay 55K Challenge - run the entire 55 kilometers in one day, or complete the total distance anytime between October 1 - 24.
Wheelchair racers are welcome and will start at 8:45 a.m., prior to the 9:00 a.m. runner/walker start. No motorized wheelchairs are permitted, and wheelchair racers are responsible for maintaining their own equipment.
Participants in the 5K events will receive a long-sleeve race shirt, and everyone will get a bib with tear strips that you can take to select establishments for free beer or cider. Please keep in mind that you must register by October 1 to get a race shirt. People who register after that may claim a shirt if any remain on race day.
All proceeds from the Great Bay 5K go to the non-profit Great Bay Stewards, which supports conservation, education, community outreach, stewardship, and research of the Great Bay Estuary.
Races
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Great Bay 5K
Incl. $3.96 Fee & Race Shirt
Sat 24th October 2026 (9:00AM EDT)
$38.96
OPENS 01 APRWith this in-person race registration, you'll get a long-sleeve race shirt (must register by 10/1/26) and a race bib with one coupon for a free beer or cider. -
Great Bay 55K
Incl. $3.63 Fee & Race Shirt
$33.63
OPENS 01 APRWith this virtual race registration, you'll get a long-sleeve race shirt (must register by 10/1/26) and a race bib with one coupon for a free beer or cider.
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Stratham Hill Park, Rt. 33, Stratham, 03885, NH, United States
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Great Bay 5K | Race for a Healthy Estuary
