"Unleash Your Inner Ultra at the 3rd Circle Series Event!" Experience the ultimate test of endurance at Ringgold High School in Ringgold, GA. The Circle Series Event, brought to you by the Chattanooga Track Club creators of the renowned Mad Backyard Ultra and the Locomotion Endurance Event, challenges you to conquer a 24-hour track race. Run, rest, and repeat! Circle the track continuously, pushing your limits and covering as much ground as possible within 24 hours. This grueling event demands strategic pacing, meticulous nutrition, and unwavering mental fortitude. Prepare for an exhilarating journey of highs and lows as you test your physical and mental limits."physical and mental stamina, requiring strategic pacing, nutrition management, and mental fortitude to push through fatigue and clock in as many miles as possible. Participants often experience physical and emotional highs and lows throughout the race, making it a challenging yet rewarding test of endurance. NEW THIS YEAR The Chattanooga Ultra Championship consists of the MAD Backyard Ultra (January 2025), Locomotion (April 2025), and Circle Endurance Event (November 2025). To be eligible for the Chattanooga Ultra Championship, participants must compete in all three races, with awards for general participation, completing at least 50K in each race, and for the top three male, female, and masters runners accumulating the most mileage across all events.