The 2026 XCelsior Marathon has concluded.

XCelsior Marathon

Race complete
Valley Cottage, NY, USA · June 7, 2026
clear-day67°·76° high·Breezy·Dry
4
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Race Day Weather

clear-day
67°at start
80° high
Breezy
Dry
Your goal
0:00:00

Warm start, rising temps ahead

Runners will face temperatures starting at 67°F and rising to 80°F. With an average humidity of 70% and a light headwind reaching 11 mph, it’s essential to pace conservatively. Hydration should be prioritized early, and gear choices should consider the rising heat as the race progresses.

clear-night5
clear-night5
partly-cloudy-day5
clear-day4
clear-day4
clear-day4
clear-day4
partly-cloudy-day3
partly-cloudy-day3
partly-cloudy-day4
rain3

Pace Calculator

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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.

Race weekend

Sunday, June 7
6:00 AMMarathon (26.2 mi)
Half Marathon (13.1 mi)
5K (3.1 mi)
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 80°F and a low of 66°F with a 100% chance of rain.

What is the elevation profile of the XCelsior Marathon?

The XCelsior Marathon has 218ft of total elevation gain.

Historical Weather

Based on 3 years of data
Avg Temp
71°F
L:68° H:74°
RunScore
4
Conditions
Rain Freq
67%
2 of 3 yrs
Wind7mph
Dew62°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2026
partly-cloudy-day
67°/76°-
4
2025
partly-cloudy-day
72°/76°Light
4
2024
partly-cloudy-day
64°/69°Light
6