Welcome to Diamond Mountain Duathlon

We're thrilled to announce our Diamond Mountain Duathlon taking place at the famous Harriman Park! Featuring stunning lake vistas and rolling hills for biking, it offers an interesting route for both running and biking. Rain or shine, the race will go on, so be sure to arrive early to familiarize yourself with the course and event setup.

Race Date and time:

April 27th, Sunday. 12:20PM start. 2:30PM cut off time. Awarding ceremony 10 minutes after we have top-3 Women finish.

Race Location:

Lake Welch Beach, 800 Kanawauke Rd, Stony Point, NY 10980. Only Kanawauke Rd entrance will be open before the event.

Race course:

Both runs are the same: 2 miles. Biking is one 15-mile lap around the park. Transition at Lake Welch picnic area. See maps on the bottom of the page.

Registration for Duathlon:

Check in begins 1 hour and ends 20 minutes before start time. Please sign up online to expedite the registration process and avoid potential errors. Day of registration is not available for free races.

Awards:

Top-3 Men and Women get medals and SIS GO Electrolyte. Rest of duathlon participants get finisher medals.

Parking:

Free public parking is easily available.

Contact Information:

If you have any questions about this race, please reach out to the race director.

Cancellation Policy:

Refer to the refund policy for details.