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11 Lakeside Dr. East, Liberty Township, NJ 07823
The pin marks the address the race lists, which is usually the start. The organizers have not shared a course map with us yet.
Aggregated from official results (Bryn Mawr Racing Company) for TRI Mountain Lake. Individual finisher names are not stored here.
At the 2026 Tri Mountain Lake Sprint Triathlon INDIVIDUAL, the fastest tenth finished in 1:24:50 or better, the top quarter in 1:33:46, and half the field in 1:47:03; the last tenth came in after 2:13:19.
At the 2026 AQUA BIKE, the fastest tenth finished in 1:04:34 or better, the top quarter in 1:21:53, and half the field in 1:50:43; the last tenth came in after 2:22:58.
| Age | Women | Men |
|---|---|---|
| 20-29 | n/a | 1:30:36 |
| 30-39 | 1:55:27 | 1:25:19 |
| 40-49 | 1:48:22 | 1:27:41 |
| 60-69 | n/a | 1:34:03 |
Groups with fewer than five finishers are left out. Awards vary by race; check the race's rules.
Where a finish time would have placed in 2026.
At the 2026 Tri Mountain Lake Sprint Triathlon INDIVIDUAL, the bike decided the most: the middle of the field lost about 13:14 to the top quarter there, 62% of the gap across the three legs.
| Leg | Top 10% | Top 25% | Median | Slowest 25% |
|---|---|---|---|---|
| Swim | 7:41 | 8:26 | 9:54 | 11:42+ |
| T1 | 1:47 | 2:11 | 2:43 | 3:27+ |
| Bike | 48:20 | 53:17 | 1:00:31 | 1:11:13+ |
| T2 | 0:33 | 0:40 | 0:51 | 1:22+ |
| Run | 22:48 | 24:25 | 28:44 | 33:08+ |
Each column ranks finishers on that leg alone, from the race's published results. T1 and T2 are transitions.
Down 28 percent since 2025.
All events combined, from official results.
From 2025 to 2026, the field went from 85 to 58 finishers, and the median time rose from 1:39:06 to 1:47:03.
| Year | Finishers | Median | Fastest tenth | Winner |
|---|---|---|---|---|
| 2026 | 58 (-32%) | 1:47:03 | under 1:24:50 | 1:11:40 |
| 2025 | 85 | 1:39:06 | under 1:22:01 | 1:07:32 |
From each year's official results for the Sprint Triathlon; virtual options are left out.
What the organizers of TRI Mountain Lake cover on their registration page, in brief.
Schedule and packet pickup
NEW to 2022 Is the 3 Mile Run. For athletes who want to be involved in the festivities of RACE DAY, but do not want to SWIM or BIKE. The race will start near the triathlon transition and will follow the EXACT same run course as used for…
Schedule and packet pickup
1/4 Mile Swim. All Athletes are brought down to the "old" beach area on Lakeside Dr. East around 7:40am on Race Day. Once down on the beach area the buoys will be easily visible. The swim course is an easy out and back set up keeping all…
Course
15 Mile Bike Route. This beautiful course takes athletes through Liberty and White townships. This is where the lake earns its name of "Mountain Lake". BUT what goes up must come down! There are a few SHARP turns and STEEP hills on our…
Course
3 Mile Run Route. Here is where the athletes get to see the true views of Mountain Lake! Athletes will go completely around the lake and up into the immediate neighborhoods before finishing near the transition area to be greeted by our…
Organize this race? Add details or a correction
RACE DAY REGISTRATION AVAILABLE
Packet Pick up Friday July 17th 4-6pm
Mountain Lake Firehouse - 99 Tamarack Rd. Belvidere, NJ 07823
Must have ID to pick up your packet. No one else is allowed to pick up a packet for anyone else!
Registration available at Packet Pick up as well
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!