Miocene Epic Endurance Challenge

MAR
22
2026
Run for up to six hours on a scenic 5-mile loop trail along the Chesapeake Bay at Calvert Cliffs State Park. All participants receive swag, a hot meal, and access to a stocked aid station. Podium and age group awards are available, and there's an option to run virtually.
Sun 22 Mar 2026
5 Mile Loop

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Event Overview

The Miocene Epic Endurance Challenge is a 6-hour trail race taking place at Calvert Cliffs State Park in Lusby, Maryland. The course consists of a loop of approximately 5 miles along the shores of the Chesapeake Bay.

Course and Format

The event uses a loop format. Runners will begin at the picnic pavilion and have up to 6 hours to complete as many loops as they choose. The course is described as well-marked.

Participant Amenities

All participants receive a premium item and a swag bag. There is a fully stocked aid station available after each loop, offering food and drinks. A hot post-run meal is provided. Runners completing 50 kilometers or more receive a trilobite-shaped medal.

Podium awards are given to the top three men and women in the 6-hour open category, with additional age group awards. There is space for participants to set up a personal rest area with tents, chairs, or coolers.

Logistics

Parking is available within Calvert Cliffs State Park. All runners are responsible for paying the park entry fee, which is $5 for Maryland residents and $7 for non-residents. The park opens at dawn.

Virtual and Cancellation Policy

A virtual participation option is available, with swag shipped to the participant at no extra cost. If the in-person event is canceled, all participants will be moved to the virtual event with no refunds provided. Visit the organization's website for the most recent information.

5 mi
5 Mile Loop