06
September
2025
Greene County Y Triathlon – Run, Bike, and Swim
Looking for a scenic race in upstate New York? The Greene County Y Triathlon features a 350-yard swim, 11.5-mile bike ride, and 5K run along the peaceful shoreline of Sleepy Hollow Lake. Whether you're competing solo or as a team, enjoy a well-organized, chip-timed event surrounded by nature.
Register early to save! Rates increase after August 18. Don’t miss your chance to take part in this unique Catskills experience!
Presented by the Greene County YMCA and Highmark Northeastern New York.
Note: If a blue-green algae bloom occurs, the race will become a duathlon for safety.
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