Great Bay 5K and 55K Challenge
Stratham, New Hampshire, United States
Oct, 2026 (TBD)
5k, 55k
Race Information
The Great Bay 5K | Race for a Healthy Estuary 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. The Great Bay 55K Challenge - allows participants to run the entire 55 kilometers in one day, or complete the total distance virtually anytime during the specified dates.
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Run Pick of the Month – Maine Coast Marathon, Half and 5K
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Race Facts
Race Size: 500 - 1,000
Elevation: Fast and Flat
Course Type: Road
Boston Qualifier: No
Kids Run: Yes
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