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Castle to River Run
TrailUnited StatesNew York

Castle to River Run2026

25.10.2026Garrison (United States)
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Pacing, fueling and crew sheet for the course you pick

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2 courses · 5–21.1 km · up to 621 m D+

2 courses

  1. 5km

    94 m D+

    avg 2%

    5K
    No index

  2. 21.1km

    621 m D+

    avg 3%

    1/2 Marathon
    No index

GPX trace not yet published.

Race plan

Plan your race from start to finish.

Pacing, aid stations and fueling timed to your effort on Castle to River Run, in one roadbook.

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The race

A trail race in the Hudson Valley featuring a Half Marathon and 5K, running through Hudson Highlands State Park from Osborn's Castle to the Hudson River.

Where to stay

Find a place to stay near Garrison for the race.

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