Boston 5K

Boston, MA, USA · April 18, 2026
partly-cloudy-day50°·51° high·Light·Rain possible
9

Race Day Weather

partly-cloudy-day
50°at start
54° high
Light
Rain possible

Cool and damp, steady pace advised

Runners will face a cool start at 49°F, climbing to 51°F. Winds from the NE at 7 mph will provide a slight tailwind throughout. With high humidity at 90%, pacing adjustments are essential; runners should consider starting conservatively to manage the damp conditions.

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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 56°F and a low of 49°F with a 54% 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