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Race Overview
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.
WikipediaFAQ
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 Qualfier?
Yes, the XCelsior Marathon is an official Boston Marathon qualifier.
XCelsior Marathon Weather History
XCelsior Marathon Weather Averages
Average Temp: 74°, Average Low: 67°, Average High: 81°
| Time | 6AM | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM |
|---|---|---|---|---|---|---|---|---|
| Temp | 70° | 70° | 70° | 71° | 70° | 70° | 74° | 74° |
| Feel | 70° | 70° | 70° | 71° | 70° | 70° | 74° | 74° |
| Rain | - | - | - | - | - | - | - | - |
| Wind | 3mph | 5mph | 6mph | 5mph | 9mph | 9mph | 11mph | 12mph |
| Dew | 60° | 61° | 62° | 63° | 63° | 63° | 65° | 63° |
| RunScore |  | | |  |  | | | |
XCelsior Marathon 2025
Jun 22, 2025
Partly cloudy throughout the day with morning rain.
Low: 72°, High: 88°, Light Rain
| Time | 6AM | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM |
|---|---|---|---|---|---|---|---|---|
| Temp | 76° | 75° |  74° | 72° | 72° | 73° | 78° | 80° |
| Feel | 76° | 75° | 74° | 72° | 72° | 73° | 78° | 80° |
| Rain | - | - | light | light | light | light | - | - |
| Wind | 4mph | 5mph | 4mph | 1mph | 10mph | 11mph | 9mph | 8mph |
| Dew | 65° | 66° | 67° | 68° | 68° | 69° | 70° | 70° |
| RunScore | | | |  | | | | |
XCelsior Marathon 2024
Jun 9, 2024
Partly cloudy throughout the day with morning rain.
Low: 62°, High: 74°, Light Rain
| Time | 6AM | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM |
|---|---|---|---|---|---|---|---|---|
| Temp | 64° |  65° | 67° | 69° | 68° | 67° | 70° | 68° |
| Feel | 64° | 65° | 67° | 69° | 68° | 67° | 70° | 68° |
| Rain | - | - | - | - | light | light | - | - |
| Wind | 1mph | 5mph | 8mph | 9mph | 9mph | 8mph | 13mph | 17mph |
| Dew | 55° | 55° | 57° | 57° | 58° | 57° | 59° | 57° |
| RunScore | |  | | | | | | |