Half Marathon-by-the-Sea

Manchester-by-the-Sea, MA, USA · September 13, 2026
partly-cloudy-day64°·66° high·Breezy·Dry
8
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Race Day Weather

partly-cloudy-day
64°at start
66° high
Breezy
Dry

Warm start, stay hydrated

Runners will face temperatures starting at 64°F and rising to 66°F. With an average humidity of 82%, hydration will be crucial. A light headwind may be felt, but it shouldn't impact pace significantly. Adjusting pace conservatively early on will help manage the warmth.

Race day forecast available in 2 days
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Pace Calculator

Distance: 13.1mi
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Race Info

Half Marathon-by-the-Sea is a USATF-certified 13.1-mile road race held each September in Manchester-by-the-Sea, Massachusetts, on the North Shore. The course starts and finishes at Manchester Essex Regional High School and runs through the town's historic downtown before passing freshwater lakes in neighboring Hamilton. Yukan Sports, LLC has organized the race since at least 2022, with a field capped at 750 runners.

Area Map

Course Map

FAQ

When is the 2026 Half Marathon-by-the-Sea?

The 2026 Half Marathon-by-the-Sea will be held on Sunday September 13, 2026.

What will the weather be like for the 2026 Half Marathon-by-the-Sea?

The forecast calls for a high of 67°F and a low of 63°F with a 8% chance of rain.

Historical Weather

Based on 4 years of data
Avg Temp
72°F
L:62° H:73°
RunScore
8
Conditions
Rain Freq
0%
0 of 4 yrs
Wind10mph
Dew55°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2025
partly-cloudy-day
64°/75°-
8
2024
partly-cloudy-day
64°/76°-
8
2023
clear-day
62°/76°-
8
2022
clear-day
57°/67°-
8