Race day is here! · Sun, Oct 18, 2026
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Sunday, October 18th, 2026
145-157 St Alphonsus St, Boston MA
5K
55–70°F · some rain risk
See last 10 years
On this date: rain 4 of the last 10 years
2025
64–78°F
dry
2024
56–70°F
rain
2023
49–61°F
dry
2022
57–73°F
dry
2021
57–72°F
rain
2020
57–79°F
dry
2019
56–81°F
rain
2018
68–78°F
rain
2017
66–84°F
dry
2016
48–67°F
dry
Best months to race in Massachusetts →
Race-day ready
Everything but the shoes.
Real running socks, a bib belt, anti-chafe — the cheap upgrades that matter.
Race-day forecast · Sunday, Oct 18
Sunny · 31–52°F
Sunday, Oct 18starts near 31°F · 0% chance of rain · wind up to 5 mph
Course map
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