In 210 days · Sun, May 30, 2027
Don't let race day sneak up
One email during race week. That's it.
When
Sunday, May 30th, 2027
Where
1 Seaport Blvd, Boston MA
Distances
Half
Typical weather
54–71°F · some rain risk
See last 10 years
On this date: rain 4 of the last 10 years
2026
46–59°F
rain
2025
58–73°F
dry
2024
54–60°F
rain
2023
47–62°F
dry
2022
59–89°F
dry
2021
48–51°F
rain
2020
66–84°F
dry
2019
48–64°F
rain
2018
57–65°F
dry
2017
49–60°F
dry
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