Half Marathon-by-the-Sea

Manchester-by-the-Sea, MA, USA · September 13, 2026
partly-cloudy-day67°·74° high·Breezy·Dry
8
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Race Day Weather

partly-cloudy-day
67°at start
77° high
Breezy
Dry

Warm day, adjust pacing early

Runners will face temperatures starting at 64°F and climbing to 76°F, with humidity averaging 74%. A light headwind at 11 mph will be present, making maintaining pace challenging. Runners should start conservatively and hydrate frequently to manage the heat and humidity.

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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 first held the race virtually in 2020 and has run it in person each September since 2022, with a field capped at 750 runners.

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 is the time limit for the Half Marathon-by-the-Sea?

The time limit for the Half Marathon-by-the-Sea is 3 hours.

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

The forecast calls for a high of 77°F and a low of 63°F with a 5% chance of rain.

Historical Weather

Based on 4 years of data
Avg Temp
71°F
L:62° H:71°
RunScore
8
Conditions
Rain Freq
0%
0 of 4 yrs
Wind8mph
Dew53°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2025
partly-cloudy-day
64°/73°-
8
2024
partly-cloudy-day
64°/74°-
8
2023
clear-day
62°/72°-
8
2022
clear-day
57°/65°-
9