Endurance Grid lists 6 races in New Haven, Connecticut, from September 2026 to March 2027.
The race calendar
The New Haven race calendar is busiest in September, March, and October. It covers a range of endurance sports — you'll find races in Running and Road Cycling — so there's usually a race near you. Distances span a wide range across those sports; you'll see 5K, Half Marathon, 1 Mile, Under 25 mi, and 2 Mile / 3K.
Weather on race day varies by time of year, so it lives where it’s accurate — each race page shows that race’s typical high, low, and rain chance from NOAA climate normals for its venue and date.
Population
132,893
as of 2023
City Elevation
39 ft
Nearest Airport
HVN
Tweed New Haven Airport
Time Zone
Eastern Time
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Just Outside New Haven