Race day — the 2026 XCelsior Marathon is underway.

XCelsior Marathon

Race day
Race day · Gun in 5h 51m
clear-day65°·80° high·Breezy·Dry
8

Race Day Weather

clear-day
65°at start
81° high
Breezy
Dry

Warm start, rising temps ahead

Runners will face a starting temperature of 67°F, climbing to 83°F by the finish. With average humidity at 67% and a steady wind from the WNW at 13 mph, pacing adjustments will be crucial. Runners should start conservatively to manage the rising heat and consider hydration every few miles.

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Pace Calculator

Distance: 26.2mi
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Race Info

The XCelsior Marathon, held at Rockland Lake State Park in Valley Cottage, New York, features a flat, paved course with scenic views of Rockland Lake. Runners complete eight laps totaling 26.2 miles, with a single aid station at the finish line providing hydration and nourishment. The event is part of the Bi-State Challenge, offering participants the opportunity to compete across New York, New Jersey, and Pennsylvania over a single weekend.

Area Map

Course Map

FAQ

When is the 2026 XCelsior Marathon?

The 2026 XCelsior Marathon will be held on Sunday June 7, 2026.

Is the XCelsior Marathon a Boston Marathon Qualifier?

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

What will the weather be like for the 2026 XCelsior Marathon?

The forecast calls for a high of 83°F and a low of 65°F with a 16% chance of rain.

Historical Weather

Based on 2 years of data
Avg Temp
74°F
L:68° H:75°
RunScore
7
Conditions
Rain Freq
100%
2 of 2 yrs
Wind12mph
Dew63°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScore
2025
partly-cloudy-day
72°/80°Light
7
2024
partly-cloudy-day
64°/70°Light
7