Diamond Mountain Triathlon

  • Date Sun 21st September 2025
  • Time 12:00PM EDT
  • Location Stony Point, New York
  • Price Free - $110.00
  • Races 3 races

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Event summary

Get ready for the exhilarating Diamond Mountain Triathlon on Sunday, September 21st, 2025, at the breathtaking Harriman Park in Stony Point, Rockland! This exciting event promises a thrilling day filled with swimming, biking, and running against a backdrop of stunning lake vistas and rolling hills. The triathlon features a 0.5-mile swim in Lake Welch, followed by a 15-mile bike course that takes participants on a scenic lap around the park, culminating in a 2-mile run. There’s also a duathlon option for those who prefer to skip the swim, with both runs set at 2 miles each.

The race kicks off at 12:00 PM, and the atmosphere will be electric as competitors push their limits, rain or shine! With police-controlled intersections, professional race photographers, and ample course signage, participants can focus on giving their best performance. Be sure to arrive early to familiarize yourself with the course and enjoy the vibrant community spirit. Awards for the top three men and women in both the triathlon and duathlon will be presented shortly after the finish, so don’t miss your chance to celebrate with fellow athletes! Join us for a day of fitness, fun, and camaraderie at the Diamond Mountain

Organiser's Description

WELCOME TO DIAMOND MOUNTAIN TRIATHLON

We're happy to announce our DIAMOND MOUNTAIN TRIATHLON taking place at the famous Harriman Park! Featuring stunning lake vistas and rolling hills for biking, it offers an interesting route for all: swimming, biking and running. 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: September 21st, Sunday. 12.00PM start. 2.00PM cut off time. Awarding ceremony 10 minutes after we have top-3 Women finish for both: triathlon and duathlon.

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

RACE COURSE:
TRIATHLON: 0.5mi swim in Lake Welch. Biking is one 15-mile lap around the park, STRAVA record is HERE [https://www.strava.com/segments/37649616]. 2 mile run, STRAVA record is HERE [https://www.strava.com/segments/38801063].
DUATHLON: Both runs are the same: 2 miles, STRAVA record is HERE [https://www.strava.com/segments/38801063]. Biking is one 15-mile lap around the park, STRAVA record is here [https://www.strava.com/segments/37649616].
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 20 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/DIAMONDMOUNTAIN [https://www.bikereg.com/diamondmountain]

RACE NUMBERS FOR TRIATHLON AND 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 2.30pm. 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 [https://www.facebook.com/VerrazanoTeamRacing] .
4/27/25 DIAMOND MOUNTAIN DUATHLON:
By @BIKERJUN DM DUATHLON [https://www.facebook.com/media/set/?set=a.1437454594275158&type=3], ALL PODIUMS [https://www.facebook.com/media/set/?set=a.1437456400941644&type=3]
By @PHOTOVELO.CO HERE [https://photos.google.com/share/AF1QipNfw-_1o1U-ZOEMZYfTktNJ_-YjIAYBaYvES398sPBiN2D8-fk3zxRt-YdOrvOEEA?key=VE95MFlLOWlRQjg0eGMwdERvOHJVeGFaMzFBNjFn]

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 [https://www.instagram.com/verrazanoteamracing/]was born in 2015 from the visionary passion of Alex Kochatau [https://www.instagram.com/verrazanocap/]. Since our inception, we've been igniting the competitive spirit in New York City. In 2018, we start organizing thrilling bicycle races that have left participants craving more adrenaline. Building on our success, we partnered with a local triathlon club in 2021 to bring the excitement of triathlons to the bustling streets of NYC. In 2024, we're unleashed our own multisport events, fueling the city's appetite for challenge and adventure. Join us as we carve new paths, push boundaries, and elevate the multisport experience for all.

Races

  • Triathlon (0.5mi/15mi/2mi)

    Sun 21st September 2025 (12:00PM EDT)

    $110.00

    0.5mi swim in Lake Welch 15 miles bike around Harriman Park (1 lap) 2 miles run on paved road with some gravel sections
  • Duathlon (2mi/15mi/2mi)

    Sun 21st September 2025 (12:00PM EDT)

    $80.00

    2 miles run on paved road with some gravel sections 15 miles bike around Harriman Park (1 lap) 2 miles run on paved road with some gravel sections
  • Junior Duathlon (2mi/15mi/2mi)

    Sun 21st September 2025 (12:00PM EDT)

    Free

    Starting with adults 2 miles run on paved road with some gravel sections 15 miles bike around Harriman Park (1 lap) 2 miles run on paved road with some gravel sections

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Location

800 Kanawauke Rd, Stony Point, 10980, NY, United States

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