The 2026 Greenwich Half Marathon has concluded.

Greenwich Half Marathon

Race complete
Old Greenwich, CT, USA · October 18, 2026
clear-day38°·45° high·Breezy·Dry
10
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Race Day Weather

clear-day
38°at start
54° high
Breezy
Dry
Your goal
0:00:00

Cool start, gradual warm-up

Runners will face a steady temperature rise from 40°F at the start to 50°F by the finish. Light winds from the NE at 9 mph will be present, with humidity at 59%. Runners should consider a conservative pace early on to account for the cool feel and adjust as temperatures increase.

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Race Info

The Greenwich Half Marathon is an inaugural race held at Greenwich Point Park (Tod's Point) in Old Greenwich, Connecticut, organized by the nonprofit running club Greenwich Road Runners. The certified two-loop course is flat, with only 40 feet of elevation gain, and runs along Long Island Sound through Greenwich Point Park and the Old Greenwich village business district. The race benefits Kids in Crisis, a local charity providing crisis intervention and counseling services.

Area Map

Course Map

FAQ

When is the 2026 Greenwich Half Marathon?

The 2026 Greenwich Half Marathon will be held on Sunday October 18, 2026.

What is the time limit for the Greenwich Half Marathon?

The time limit for the Greenwich Half Marathon is 3 hours.

What will the weather be like for the 2026 Greenwich Half Marathon?

The forecast calls for a high of 56°F and a low of 37°F with a 0% chance of rain.

Historical Weather

Based on 1 years of data
Avg Temp
41°F
L:38° H:45°
RunScore
10
Conditions
Rain Freq
0%
0 of 1 yrs
Wind9mph
Dew29°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2026
clear-night
38°/45°-
10