In 10 days · Sun, Oct 18, 2026
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Sunday, October 18th, 2026
300 N Main St, Northampton MA
Half · 5K
45–62°F · some rain risk
See last 10 years
On this date: rain 1 of the last 10 years
2025
36–61°F
dry
2024
42–63°F
dry
2023
43–61°F
dry
2022
40–58°F
rain
2021
45–56°F
dry
2020
38–60°F
dry
2019
43–54°F
dry
2018
34–43°F
dry
2017
45–70°F
dry
2016
58–80°F
dry
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Race-day forecast · Sunday, Oct 18
Sunny · 34–57°F
Sunday, Oct 18starts near 34°F · 14% chance of rain · wind up to 8 mph
About this race
Event Overview
The Happy Valley Half Marathon was created to bring you a breath-taking course, designed to showcase some of the most beautiful roads that New England has to offer, during peak Fall foliage.
Celebration at the Finish Line
- Festivities: Your achievement will be celebrated with breweries, food trucks.
- Community: Enjoy the enthusiastic support of the local running community.
Event Details
- Date: 2026-10-18
- Location: 300 N Main St, Northampton, MA
- Race URL: Happy Valley Half Marathon & 5K
Course map
Train with a club
Run clubs near Northampton to train with before race day.
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