
From the Organizer
Lake Montclair is set in beautiful Northern Virginia with a great surrounding community supporting this event. Montclair residents enjoy the Lake front setting and the awesome Dolphin Beach where the triathlon starts and finishes.
Montclair is conveniently located 25 minutes south of the Beltway, and just 40 minutes from our nation’s capitol. Montclair is bordered on the south by Prince William National Forest Park, which boasts camping and walking trails. It is also a 15 minute drive from Marine Corps Base Quantico. With two major airports within 40 miles and Potomac Mills Mall 5 miles outside our community, centrally located for shopping, dining, recreation and some of the best sightseeing in the area.
Distances & Pricing
Race Location
About This Sport
Endurance Grid is here to help you understand the sport, decide if it's the right fit, and learn how to prepare. For course distances, logistics, and race-day specifics, always defer to the race organizer's event page.
Three sports, one race — swim, bike, run in sequence, with transitions that are a discipline of their own.
Open water, open roads, and competition with yourself. Cross the finish line knowing what it took to get there.
Swim, bike, run — back to back. The sprint distance makes it far more accessible than most people think.
Coming Up
Alleghany Highlands Triathlon
The Arlington Triathlon - In Memory of Anne Viviani
Reston Youth Triathlon
17th Annual Fawn Lake Adult and Youth Triathlons
Frequently Asked Questions (FAQs)
Montclair Triathlon
Jun 28, 2026