Lake Montclair Triathlon & Duathlon

Date: Last held Jun 15, 2025, next date to be announced
Location: Montclair, Virginia

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Official race website

Start location and course

4398 Spillway Lane Montclair, Montclair, VA 22025

Directions to the start

The pin marks the address the race lists, which is usually the start. The organizers have not shared a course map with us yet.

2025 results

All results

Duathlon

finishers

1:33:05

median (5:29 /mi)

1:00:58

winning time

39% / 61%

women / men

Finish times, fastest to slowest. Each bar is a slice of the field; the dashed line is the median.

Triathlon

finishers

1:19:53

median (5:20 /mi)

54:28

winning time

47% / 53%

women / men

-Relay Duathlon

finishers

1:25:02

median (5:00 /mi)

1:17:19

winning time

67% / 33%

women / men

Aggregated from official results for Lake Montclair Triathlon & Duathlon. Individual finisher names are not stored here.

How fast do you need to be at Lake Montclair Triathlon & Duathlon?

At the 2025 Duathlon, the fastest tenth finished in 1:12:08 or better, the top quarter in 1:20:51, and half the field in 1:33:05; the last tenth came in after 1:57:15.

At the 2025 Triathlon, the fastest tenth finished in 1:04:18 or better, the top quarter in 1:11:14, and half the field in 1:19:53; the last tenth came in after 1:39:33.

At the 2025 -Relay Duathlon, the fastest tenth finished in 1:17:34 or better, the top quarter in 1:18:59, and half the field in 1:25:02; the last tenth came in after 1:40:49.

Third place by age group, 2025 Duathlon
Age	Women	Men
20-29	1:21:35	1:38:40
30-39	1:33:18	1:15:43
40-49	1:36:19	1:10:26
50-59	n/a	1:15:28

Groups with fewer than five finishers are left out. Awards vary by race; check the race's rules.

What would my time get me?

Where a finish time would have placed in 2025.

EventFinish timeGenderAge group

Race details

Where: 4398 Spillway Lane Montclair, Montclair, VA 22025Map
Course: Road
Distances: Sprint Triathlon, Duathlon, Aquabike
Editions: 2025 (Jun 15, 2025), 2024 (Jun 23, 2024), 2023 (Jun 25, 2023)
Status: The next edition has not been announced yet. Past events: Aqua-Bike, Duathlon, -Relay Duathlon, Relay Triathlon, Triathlon.

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Quick answers

When is Lake Montclair Triathlon & Duathlon?: The next date has not been announced.
How much does it cost?: See the registration page for current pricing.
What distances are offered?: Sprint Triathlon, Duathlon, Aquabike.
How big is it, and how fast?: In 2025, 73 athletes finished the Duathlon; the median finish was 1:33:05 and the winner finished in 1:00:58.
Where does it start?: 4398 Spillway Lane Montclair, Montclair, VA 22025.

From the organizers

6/14/25, IMPORTANT RACE UPDATE - Swim Leg Cancelled. Click HERE to view info.

Enjoy one of Northern Virginia's oldest triathlons. Staged at Dolphin Beach, Lake Montclair is set in beautiful Northern Virginia. Participate in either the Sprint triathlon, duathlon or aquabike. This race is sanctioned by USA Triathlon. All information about this race can be found at https://www.ripitevents.com/lakemontclairtriathlon.

Triathlon - 750 Meter Swim | 12.5 Mile Bike | 3.1 Mile Run

Triathlon Relay - 750 Meter Swim | 12.5 Mile Bike | 3.1 Mile Run

Duathlon - 1.5 Mile Run | 12.5 Mile Bike | 3.1 Mile Run

AquaBike - 750 Meter Swim | 12.5 Mile Bike