Nantucket Half Marathon

Nantucket, MA, USA · October 11, 2026
partly-cloudy-day59°·59° high·Windy·Dry
7
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Race Day Weather

partly-cloudy-day
59°at start
60° high
Windy
Dry

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.

Race day forecast available in 30 days
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Pace Calculator

Distance: 13.1mi
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Race Plan

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Weather-adjusted pacing, per-mile terrain splits, fueling timeline with aid stations, packing checklist, carb tracker, spectator guide — all personalized to your goal and race-day conditions.

Race Conditions
Terrain Splits
Nutrition
Gear & Packing
T-Minus
Carb Tracker
Spectator Guide
Race Band

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.

Area Map

Course Map

FAQ

When is the 2026 Nantucket Half Marathon?

The 2026 Nantucket Half Marathon will be held on Sunday October 11, 2026.

What will the weather be like for the 2026 Nantucket Half Marathon?

The forecast calls for a high of 62°F and a low of 58°F with a 13% chance of rain.

Historical Weather

Based on 3 years of data
Avg Temp
61°F
L:51° H:61°
RunScore
6
Conditions
Rain Freq
33%
1 of 3 yrs
Wind20mph
Dew52°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2025
partly-cloudy-day
57°/60°Light
5
2024
clear-day
42°/62°-
9
2023
partly-cloudy-day
55°/62°-
6