Endurance Grid lists 15 races in Boston, Massachusetts, from October 2026 to September 2027.
The Boston race calendar is busiest in October, November, and May. Every race here is a running event, so there's usually one near you. You'll see distances like 5K, 1 Mile, and Ultra.
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
663,972
as of 2023
City Elevation
12 ft
Nearest Airport
BOS
Boston Logan International Airport
Time Zone
Eastern Time
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Explore and filter upcoming endurance races in Boston, Massachusetts on the map below — by sport, distance, price, or month.