Races in New Haven

Marathons, Half Marathons, 10Ks, 5Ks

Looking for the best races in New Haven, Connecticut? Browse our list of New Haven marathons, half marathons, 10K races, 5K races and more, including upcoming races and races up to one year past their event date.

For each New Haven race you’ll find key details, finisher ratings and reviews, photos, videos, related articles, race-day weather data and a link to register.

And use our Find a Race tool to further refine your search by name/keyword, distance, terrain, location or date.

Showing 1-20 of 34 races near New Haven:

Great South Bay Run Bay Shore, NY | Sep 30, 2023

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IronHike Endurance Series – Mohawk Mountain Cornwall, CT | Sep 30, 2023

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Norfolk Land Trust Haystack Mountain Challenge Norfolk, CT | Oct 1, 2023

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SoNo Half Marathon Norwalk, CT | Oct 1, 2023

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SPEF 5K Walk & Run Stamford, CT | Oct 1, 2023

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Shoreline Sharks Rail Trail 10K Race Hamden, CT | Oct 7, 2023

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Tesla Hertz Run Rocky Point, NY | Oct 7, 2023

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Hartford Marathon & Half Marathon Hartford, CT | Oct 14, 2023

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Apple Harvest & Music Festival 5K Glastonbury, CT | Oct 15, 2023

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Fred von der Heydt Memorial 6 Hour 60th Birthday Run West Babylon, NY | Oct 15, 2023

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Mohawk Mountain Race Cornwall, CT | Oct 15, 2023

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Easterseals 5K Your Way Norwich, CT | Oct 21, 2023

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Suffolk County Marathon Babylon, NY | Oct 21–22, 2023

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Bimblers Bluff 50K Guilford, CT | Oct 22, 2023

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Pamby Ridgefield Half Marathon Ridgefield, CT | Oct 22, 2023

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The Reservoir Run Weston, CT | Oct 22, 2023

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Laurel House Wellness 5K Stamford, CT | Oct 28, 2023

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Monster Mash Dash 5K Falls Village, CT | Oct 28, 2023

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Tunxis Trail Ultramarathon Burlington, CT | Oct 28, 2023

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Masquerade 5K Marlborough, CT | Oct 29, 2023

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Find the best running routes in this area, whether you're on the road or seeking new local routes for training!
Browse Great Runs in New Haven, CT

Find the best running routes in this area, whether you're on the road or seeking new local routes for training!
Browse Great Runs in New Haven, CT