Nantucket Half Marathon
Race Day Weather
Cool conditions, steady winds
Runners will face a consistent temperature of 59°F throughout the race, with light humidity at 78%. A headwind of 16 mph may challenge pacing, especially in exposed areas. It's advisable to maintain a steady pace and consider hydration strategies to counter the humidity.
Pace Calculator
Get forecast alerts for Nantucket Half Marathon
We'll text or email you when the forecast shifts — so you can adjust gear, pacing, and strategy. Max one per day.
Race Info
The Nantucket Half Marathon is an annual road race held each October on Nantucket Island, Massachusetts. The course starts and finishes at Bartlett's Farm and runs along beach roads, bike paths, and neighborhood streets, passing the Smooth Hummocks Coastal Preserve. A kids fun run takes place alongside the half marathon. The race is organized by the Nantucket Athletic Association, formerly the Nantucket Triathlon Club.
