Frosty Looper 8-Hour

Collingswood, United States • 14 Dec 2025

Frosty Looper is an eight-hour ultramarathon at Cooper River Park in Pennsauken, NJ. Runners traverse a fast, flat 3.75-mile loop on a paved trail around the river, with views of the Philadelphia skyline. The course is mostly flat with a couple of gentle inclines and two real hills, making it one of the faster looped races in the country.

Participants may run as many laps as fit into the eight-hour window; partial laps don’t count. Start/finish aid features made-to-order sandwiches, Tailwind, and vegan-friendly options; cupless race. Custom swag; top male/female prizes; optional Double Looper Challenge medal. Visit the organization's website for the most recent information.

Race information

4 mi
3.75 Mile Loop
Visit the organization's website for the most recent information.
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