XCelsior Marathon

Valley Cottage, NY, USAJune 7, 2026

Race Day Weather

partly-cloudy-day
60°
75° high
Breezy
Dry

Warm day, steady breezes ahead

Runners will face a temperature rise from 60°F at the start to 75°F by the finish, with average humidity at 66%. A light headwind at 9 mph will provide some relief, but hydration will be crucial. Adjust pacing strategies to account for the warming trend, especially in the second half of the race.

Race day forecast available in 68 days
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Pace Calculator

Distance: 26.2mi
0:00:00
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Pace
Weather Adj.
Common Goals:

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. Source

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.

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