The Dirt Circuit

Endurance Trail Run

Date: October 1, 2022

Time: 8:00 am

Location: Panther Creek State Park
2010 Panther Creek Park Road (Soccer Field)
Morristown, TN 37814

Distance: 12 Hour Trail Race

Nestled around a finger of Cherokee Lake, Panther Creek State Park presents the perfect back drop for this ultra-marathon. Offering a 12 hour time slot, the Dirt Circuit is sure to deliver a challenge to runners of all backgrounds and abilities. As a spectator-friendly race, athletes, vendors, family, and friends are encouraged to enjoy the fun at Base Camp throughout the weekend. Where is your finish line?

Registration Information

12 Hour Solo
Early – $60
Regular – $70
Late – $80

12 Hour Relay (up to 6 runners)
Early – $50 / runner
Regular – $60 / runner
Late – $70 / runner

* Early Registration (thru 6/12/22)

* Regular Registration (6/13/22 thru 9/4/22)

* Late Registration (9/5/22 and after)

* No race day registration.

Trail Run Course

The Dirt Circuit is 3 miles of trail mostly resembling that of a cross country course. The loop course is a combination of wide and single track trails through fields and woods with two wooden bridge crossings. The course winds gently around the park offering many scenic views of Panther Creek. The Dirt Circuit starts and finishes at the soccer fields, which serve as Base Camp for the weekend.

Aid Stations

There will be one aid station which will be located at Base Camp. It will be stocked with water, electrolyte drink, gels, bars, fruit, snacks, and basic first aid supplies. Runners are encouraged to bring their own race nutrition as well.


Friday September 30, 2022

5:00 pm Packet Pickup at Panther Creek State Park (Soccer Fields) Begins
7:00 pm Packet Pickup Ends

Saturday October 1, 2022

7:00 am Packet Pickup at Panther Creek State Park (Soccer Fields) Begins
7:45 am Packet Pickup Ends
7:45 am Pre-Race Instructions
8:00 am The Dirt Circuit Starts
8:00 pm 12 Hour Race Ends
8:30 pm 12 Hour Awards Ceremony


12 Hour Solo
Top 3 Men
Top 3 Female

12 Hour Relay
Top Relay Team


Relay teams do not have to hand off at every lap. Teams are welcome to develop their own strategy for when and who will run next for their team.

Runners are encourages to carry their own hydration systems with them.

Athletes must have their official race number visible at all times.

If participants would like to drop out of the race, they must inform the timing booth at the finish line.

Pacing / Crewing of runners is permitted.

Unsportsmanlike conduct, course cutting, littering, or violation of any of the policies set forth will be grounds for disqualification.

Although we will make every effort, event t-shirts are not guaranteed to participants who register during the late registration period.

Dirty Bird Events has a no refund policy. Race entries cannot be transferred between events, years, or individuals. Refunds will not be issued in the case of inclement weather, natural disaster, or other unforeseen circumstances out of our control.

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