2026 Supertri New Jersey

West Windsor, New Jersey. Mercer County Park. Supertri New Jersey returns on Sunday, July 19, 2026. Choose Olympic (1,500m swim, 40.5km bike, 10km run) or Sprint (500m swim, 22km bike, 5km run). Sheltered lake swim, lightning fast bike, and a flat run through the park. One of the top 5 triathlons in the USA (voted by athletes). Annually sells out to 3,500 triathletes. Finish line festival. Individual and relay options. USAT Paratriathlon Qualifier.

Location — Mercer County Park, West Windsor, New Jersey:

• Mercer County Park is a 2,500‑acre park in central New Jersey, about 1 hour south of New York City, 45 minutes north of Philadelphia
• The park features a large lake (Mercer Lake) — sheltered, calm, and ideal for open water swimming
• The bike course uses park roads and surrounding rural roads — flat, fast, and closed to traffic
• The run course loops through the park on paved paths and grass — spectator‑friendly

Course Details — Olympic Distance:

• Swim: 1,500m (1.5 km) in Mercer Lake — two loops? likely a single loop or two loops depending on course layout
• Bike: 40.5km (25.1 miles) — flat, fast, described as "lightning fast"
• Run: 10km (6.2 miles) — flat, through the park, finish at the festival area
• USAT Paratriathlon Qualifier — eligible for paratriathletes seeking national qualification

Course Details — Sprint Distance:

• Swim: 500m — shorter, ideal for beginners or those seeking a faster race
• Bike: 22km (13.7 miles) — same fast, flat roads as Olympic
• Run: 5km (3.1 miles) — same park loop, shorter distance

Relay Teams — Olympic and Sprint:

• Teams of 2‑3 participants (each completes one or two disciplines)
• Categories: male, female, mixed
• Relay members register individually under team name

What's Included:

• Chip timing (net time, split times for each discipline)
• Finisher medal
• Event t‑shirt (technical fabric — included with registration)
• Expo experience (Friday and Saturday — check event website)
• Aid stations on bike and run courses (water, electrolyte, energy gels, fruit)
• Medical support on course
• Transition area with bike racks and changing space
• Post‑race finish festival (food, drinks, music, and celebration)
• Age group awards (top 3 per category, 5‑year age groups)
• Overall awards (top 3 male and female per distance)
• Prize money for elite athletes (check event website for details)

Finish Festival — A Celebration:

• Food, drinks (Athletic Brewing Co. non‑alcoholic beer, other beverages)
• Live music and entertainment
• Expo booths with sponsor products
• Massage and recovery area
• Kids' activities

Logistics:

• Parking available at Mercer County Park (arrive early — limited spaces, carpool recommended)
• Public transport: not practical — drive or carpool
• Bib pickup: Friday and Saturday at the expo (location TBD) and race morning at the park
• No refunds? Check Supertri cancellation policy (likely no refunds close to race date)
• No dogs allowed on the course (service animals excepted)
• Strollers not permitted
• Wetsuit legal swim (water temperature in Mercer Lake in July typically 70‑75°F / 21‑24°C — wetsuit optional but allowed)

Accommodation — Nirvana Travel & Accommodation:

• Supertri offers a travel and accommodation service — check the website for packages
• Hotels near Mercer County Park include options in West Windsor, Princeton, and Plainsboro
• Book early — the race sells out annually

Bike & Wetsuit Rentals:

• Unlimited Biking — bike rentals available (road bikes, tri bikes)
• Wetsuit rentals available through event partners (check event website)

Spectator Info — Finish Festival Free and Open:

• Free to attend
• Best viewing: swim start, transition area, run course, and finish line
• Finish festival has food, drinks, music, and activities for families

Volunteers:

• Volunteers needed for registration, transition, aid stations, course marshals, finish line, and festival
• Volunteers receive event swag, meals, and possibly future race credits
• Sign up on event website

History — Since 2006:

• Annually selling out to 3,500 triathletes since its inception in 2006
• One of the 10 largest triathlons in the nation
• Voted by athletes as one of the top 5 best triathlons in the USA

Contact: Supertri — event website.