Marsh Creek Sprint Triathlon

SEP
20
2026
Race a scenic sprint triathlon at Marsh Creek State Park. The course includes a 750m lake swim, a 20k bike ride past streams and forests, and a 5k run with lake views. The event also offers an aquabike and relay options.
Sun 20 Sep 2026
Swim Run Bike

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Event Overview

The Marsh Creek Sprint Triathlon takes place at Marsh Creek State Park in Downingtown, Pennsylvania. The event features three different race formats: a standard individual sprint triathlon, an individual aquabike, and a triathlon relay for teams of two or three people.

Course Details

The sprint triathlon consists of a 750m swim, a 20k bike, and a 5k run. The swim is a time trial start in Marsh Creek Lake, using a single-loop, rectangular course. The bike course is a single loop on paved roads, passing by trout streams and forests. The run course is contained within the park and includes a notable uphill section near the first mile.

Event Features

Registration for participants includes a finisher medal, a long-sleeved tech shirt, custom race socks, a reusable packet pick-up bag, timed results, age group awards, a post-race meal, a finisher certificate, and free finish line photos. The event is sanctioned by USA Triathlon.

Venue & Activities

The park is located just west of Philadelphia and is near the Pennsylvania Turnpike. Outside of the race, the area offers activities such as kayak rentals and access to restaurants and rural roads. Visit the organization's website for the most recent information.

5 km
Run
Swim
Bike