TRI Mountain Lake

Sat July 13, 2019 Liberty, NJ US 07823 Directions

                 Online Registration is now CLOSED

Race Day Registration is available on Saturday morning from 6:30am-7:30am

$125 individual / $75 per person for teams of 3 CASH or CHECK ONLY

***Due to Construction on Lakeside Dr. West the maps and routes have been updated

These routes are exactly the SAME as last year's race ***      


 1/4 Mile Swim  ~  15 Mile Bike  ~  3 Mile Run 

                                  SATURDAY JULY 13th, 2019


The "Hidden Gem" of TRIATHLONS!

This sprint triathlon has been called "the hidden gem" of NJ races. It tours the surrounding area of Mountain Lake in Liberty Township, New Jersey. After a 1/4 mile swim in the pristine lake, get ready for some ups and downs in the 15 mile bike ride. Then finish off on the 3 mile run giving a view from each angle of the lake. 


2018 individual results

Mountain Lake
Warren County
Liberty, NJ US 07823

Over 12,000 years old, Mountain Lake is the largest glacial lake in Warren County, approximately 122 acres. Mountain Lake is surrounded by Jenny Jump State Forest, preserved space, and a small community. This unique area is home to a glacial peat bog with unique plants, recognized as an important bird and birding area, includes a large diversity with native plants and trees, and provides numerous outdoor recreation opportunities.

DASH Multisport is a race company designed to organize, manage, and assist with all aspects of events such as triathlons and road races. We provide all necessary services from creating distances and locations, fundraising and sponsorship packages, to managing race day. Our goal is to help you have a successful event and to produce the best race experience for beginners to intermediate runners, bikers, and swimmers from northwestern New Jersey and Northeastern Pennsylvania areas.

 DASH also has the ability to assist with various types of others events ranging from golf outings to fundraising tournaments and alumni games.  So if you’re in the process of starting this type of  event and could use some help, don’t wait any longer ……. DASH !! 

 Please email us with any questions or inquires at visit us at or call 908-750-3125

The Arc, Warren County Chapter, Inc, is dedicated to enriching the quality of life of persons with intellectual and other developmental disabilities who reside in Warren County. Correlatively, The Arc is also committed to assisting families in solving the problems associated with the care of their family members with such disabilities.

Our community-based intervention programs aim to foster optimal self-sufficiency, productivity, self-determination, and social adaptation. As an advocacy organization, we strive to create a more inclusive society for our constituents.  TRI Mountain Lake Sprint Triathlon is a welcome addition to The Arc’s commitment to healthier living for people of all abilities. 

Race Contact Info

If you have any questions about this race, click the button below.


*This event is in no way sanctioned/sponsored by Liberty Township*