The Great Cow Harbor 10K

The Great Cow Harbor 10K Run and 2K Fun Run take place in Northport, New York. The event features a USATF-certified 10K course and a 2K Fun Run, drawing thousands of participants in a festive, community-focused atmosphere. It’s widely regarded as one of the top races in the country, cited by Runner’s World and New England Runner, and is part of the USA Long Island Track & Field Grand Prix.

Notable features include staged waves, mile-by-mile split clocks, live timing and finish-line photos, plus charitable beneficiaries such as Special Olympics Long Island and local health and community organizations. Parking includes a shuttle to the start. Visit the organization's website for the most recent information.