The 2026 event has concluded.

Boston 5K

Boston, MA, USA · April 18, 2026
rain49°·49° high·Breezy·Light rain
8

Race Day Weather

rain
49°at start
49° high
Breezy
Light rain

Cool, rainy, steady pace

Runners will face a consistent temperature of 49°F throughout the race, with a 13 mph wind from the ENE. Humidity will be high at 94%, making conditions feel damp. Due to the rain, it’s advisable for runners to maintain a steady pace and ensure proper gear to stay warm and dry.

cloudy9
cloudy8
rain7
cloudy7
cloudy7
cloudy7

Pace Calculator

Distance: 3.1mi
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Race Info

Area Map

Course Map

FAQ

When is the 2026 Boston 5K?

The 2026 Boston 5K will be held on Saturday April 18, 2026.

What is the time limit for the Boston 5K?

The time limit for the Boston 5K is 1 hours.

What will the weather be like for the 2026 Boston 5K?

The forecast calls for a high of 50°F and a low of 44°F with a 100% chance of rain.

Historical Weather

Based on 2 years of data
Avg Temp
52°F
L:51° H:52°
RunScore
8
Conditions
Rain Freq
0%
0 of 2 yrs
Wind11mph
Dew46°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScore
2024
partly-cloudy-day
52°/53°-
8
2023
cloudy
50°/51°-
8