Suffolk County Marathon

East Islip, NY, USA · October 18, 2026
partly-cloudy-day58°·58° high·Windy·Dry
7
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Race Day Weather

partly-cloudy-day
58°at start
60° high
Windy
Dry

Cool temps, varying winds ahead

Runners will face temperatures starting at 57°F and peaking at 59°F, with average humidity around 68%. Wind will be a factor with a headwind during Miles 1 and 10-15, while tailwinds will assist from Miles 2-5, 16-21, and 27. Adjust pacing strategies accordingly for the headwinds, and stay hydrated throughout the race.

Race day forecast available in 5 days
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Pace Calculator

Distance: 26.2mi
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Race Info

The Suffolk County Marathon is an annual marathon, half marathon, 10K and 5K race weekend held each October on Long Island, New York, with proceeds benefiting local veterans' services. The Sunday races start in Babylon Village and run east along Montauk Highway before crossing the Robert Moses Causeway to Captree and back, finishing at Gardiner County Park in Bay Shore. A companion 5K and kids' fun run take place the day before at Gardiner County Park. The race has run since 2015 under organizer Race Awesome, and its marathon and half marathon courses are USATF certified, with the marathon serving as a Boston Marathon qualifier.

FAQ

When is the 2026 Suffolk County Marathon?

The 2026 Suffolk County Marathon will be held on Sunday October 18, 2026.

Is the Suffolk County Marathon a Boston Marathon Qualifier?

Yes, the Suffolk County Marathon is an official Boston Marathon qualifier.

What is the time limit for the Suffolk County Marathon?

The time limit for the Suffolk County Marathon is 6.5 hours.

What will the weather be like for the 2026 Suffolk County Marathon?

The forecast calls for a high of 63°F and a low of 58°F with a 9% chance of rain.

Historical Weather

Based on 7 years of data
Avg Temp
62°F
L:51° H:62°
RunScore
7
Conditions
Rain Freq
29%
2 of 7 yrs
Wind14mph
Dew47°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2025
clear-day
52°/69°-
7
2024
clear-day
49°/74°-
8
2023
clear-day
52°/58°-
8
2022
cloudy
58°/59°Light
8
2021
clear-day
43°/58°-
9
2019
rain
59°/64°Moderate
4
2018
cloudy
46°/52°-
8