Diamond Mountain Duathlon

Welcome to Diamond Mountain Duathlon

We're happy 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 each leg of the race. Rain or shine, the race will go on, so be sure to arrive early to familiarize yourself with the course and event setup.

Race offers:
Convenient start time
Police controlled intersections
Race photographers
Course signage
Race will be held rain or shine
Please arrive in advance to get familiar with our course and race setup

Race Date and time: April 26th, Sunday. 1.00PM start. 3.20PM 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:
Duathlon: Both runs are the same: 2 miles, Strava record is here. Biking is one 15-mile lap around the park, Strava record is here.
Transition at Lake Welch picnic area. See maps on the bottom of the page.

Registration for Triathlon and Duathlon: Check in begins 1 hour and ends 10 minutes before start time. Please sign up online to expedite the registration process and avoid potential errors.

Registration for Bike Race: Registration page for Diamond Mountain Classic is published at BikeReg.com

Race numbers for Duathlon: Jersey number should be placed on the front. Bicycle number goes either on the seat post (more aero) or on the top tube. Helmet number goes on the front.

Race results: Draft results will be available as soon as last person finish, but not later than 3.30pm. Online results will include transition break downs and normally will be published within 48 hours.

Awards: Top-3 Men and Women get medals and merchandise. Rest of participants get finisher medals.

Photos: will be published within 48 hours at Verrazano Team Facebook page .
9/21/25 Diamond Mountain Triathlon:
By @bikerjun here
By @photovelo.co here, 

4/27/25 Diamond Mountain Duathlon:
By @bikerjun DM Duathlon, All Podiums
By @photovelo.co here

Bicycle requirements: Any type of bike you own is good for duathlon but be ready for rolling hills and make sure your brakes are good. No rental bikes available.

Parking: Free public parking is easily available.

Water/Restrooms/Trash: Water and trash bag will be available at check in table. Stationary restrooms will be open.

About Us: Verrazano Team  is a NYC based club organizing multisport and cycling events throughout the city. Our goal is to create safe, well organized, and welcoming races that support local athletes, juniors, and newcomers to multisport.

First and 2nd run are the same 2 miles, bike is one 15mi lap:

Bike course (1 lap total):