XCelsior Marathon
Race Day Weather
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.
Pace Calculator
Get forecast alerts for XCelsior Marathon
We'll text or email you when the forecast shifts — so you can adjust gear, pacing, and strategy. Max one per day.
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.