The 2025 event has concluded.

Tromptown Marathon

DeRuyter, NY, USASeptember 21, 2025
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Race Day Weather

clear-day
44°
74° high
Breezy
Dry

Cool start, warming trend

Runners will face a temperature rise from 45°F at the start to 73°F by the finish. Wind will be a light headwind throughout at 12 mph, with gusts up to 25 mph. With humidity at 62% and a dew point of 49°F, pacing adjustments are advisable as temperatures climb, especially in the latter stages.

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clear-day8
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This will be the 4th year for a new time, day and season for the Marathon. We added the marathon to accompany the half-marathon last year. The two runs are some of New York State's, even nationally challenging, and yet scenic runs. The half-marathon takes you through parts of three counties, the marathon through four counties. That curious fact for the marathon should put us as number one in the nation in that category. Source

Area Map

Course Map

FAQ

When is the 2025 Tromptown Marathon?

The 2025 Tromptown Marathon will be held on Sunday September 21, 2025.

Is the Tromptown Marathon a Boston Marathon Qualifier?

Yes, the Tromptown Marathon is an official Boston Marathon qualifier.

What will the weather be like for the 2025 Tromptown Marathon?

The forecast calls for a high of 74°F and a low of 42°F with a 0% chance of rain.

Historical Weather

Based on 2 years of data
Avg Temp
68°F
L:57° H:68°
RunScore
8
Conditions
Rain Freq
50%
1 of 2 yrs
Wind7mph
Dew57°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScore
2024
clear-day
61°/75°-
8
2023
cloudy
54°/61°Light
7