Runners will face a temperature range from 50°F to 64°F, with a steady wind coming from the S throughout. Humidity will hover around 65%, which may feel slightly muggy. It's advisable to maintain a conservative pace early on and stay hydrated, especially as temperatures rise.
Race day forecast available in 170 days
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Pace Calculator
Distance: 26.2mi
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Common Goals:
New Hampshire’s best kept secret for over 31 years! Come experience the natural beauty of NH in a small, friendly and community oriented event that doubles as a Boston Qualifier. The New Hampshire Marathon has been described as one of the most beautiful races in New England. The course moves around Newfound Lake during our most spectacular season, peak foliage. Offering a full, half, 10K and Kids race events, we have something for all levels.Source
Course Map
FAQ
When is the 2026 New Hampshire Marathon?
The 2026 New Hampshire Marathon will be held on Saturday October 3, 2026.
Is the New Hampshire Marathon a Boston Marathon Qualifier?
Yes, the New Hampshire Marathon is an official Boston Marathon qualifier.
What will the weather be like for the 2026 New Hampshire Marathon?
The forecast calls for a high of 64°F and a low of 46°F with a 0% chance of rain.
Historical Weather
Based on 25 years of data
Avg Temp
61°F
L:49° H:62°
RunScore
Conditions
Rain Freq
28%
7 of 25 yrs
Wind7mph
Dew43°F
Temperature History
Range of temperatures during race hours for each year.
