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TRI Mountain Lake

Sat, Jul 18, 2026, 8:00 AM EDT

Location
Liberty Township, NJ
11 Lakeside Dr. East, Warren County, 07823
Open in Maps
Type
TRIATHLON
Official registration

Sign up and verify details on the organizer’s official page.

At a glance

Experience the "hidden gem" sprint triathlon at Mountain Lake, featuring a swim, hilly bike, and scenic lake-view run, plus a new 3-mile run-only option.

  • Scenic
  • Competitive

Great for: runners who like a competitive edge

Less ideal for: walkers-only pacing

Discover the "hidden gem" of New Jersey triathlons at Mountain Lake. This sprint event invites you to a refreshing 1/4-mile swim in a pristine lake, followed by a challenging 15-mile bike ride with varied terrain. Conclude with a scenic 3-mile run offering beautiful views of the lake from every angle. Participate as an individual or form a relay team. A new 3-mile run-only option is also available, following the triathlon's run course.

What to expect

  • Begin with a 1/4-mile swim in the clear waters of Mountain Lake.
  • Navigate a 15-mile bike course known for its "ups and downs."
  • Finish with a 3-mile run offering views of the lake. A 3-mile run-only event is also available.

Standout details

  • "Hidden Gem" triathlon
  • Pristine Mountain Lake swim
  • Hilly 15-mile bike course
  • Scenic 3-mile lake-view run

Auto-drafted from the public listing — confirm details on the official event page before signing up.

Distances & registration

4 options

Registration for all distances is through the official signup link above.

  • 18.25 Miles

    Sat, Jul 18, 8:00 AM EDT · From $107.50

    Opens Jan 1, 2026, 1:00 AM EST · Closes Jan 18, 2026, 6:59 PM EST

  • TRI Mountain Lake RELAY team of TWO

    Sat, Jul 18, 8:00 AM EDT · From $81.00

    Opens Jan 1, 2026, 1:00 AM EST · Closes Jan 18, 2026, 6:59 PM EST

  • TRI Mountain Lake RELAY team of THREE

    Sat, Jul 18, 8:00 AM EDT · From $54.50

    Opens Jan 1, 2026, 1:00 AM EST · Closes Jan 18, 2026, 6:59 PM EST

+ 1 more option

  • AQUA BIKE

    Sat, Jul 18, 8:00 AM EDT · From $107.50

    Opens Jan 1, 2026, 1:00 AM EST · Closes Jan 18, 2026, 6:59 PM EST

The course

  • Hilly
  • Timed race
From the organizer

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

RELAY team of 2 or 3 options

SATURDAY JULY 18th, 20256

8:00AM

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.This race can be done as an individual or as relay team of 3. And new to the race day events is a 3 mile run that will start just after the triathlon and follow the same course for the run as the triathlon does!

DO NO MISS THIS UNIQUE CHALLENGE!!

PAST RESULTS

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