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The Underground Circus 100

Smyrna, United States • 24 May 2025

The Underground Circus 100 is a unique ultramarathon event taking place on Atlanta's scenic Silver Comet Trail, featuring distances of 100 miles, 50 miles, and a 24-hour challenge. The course is relatively flat and fast, offering both asphalt and grass trail options, making it ideal for first-time ultrarunners. Participants can enjoy a supportive atmosphere with aid stations stocked with snacks and drinks, and the race emphasizes a no DNF (Did Not Finish) policy. All proceeds benefit the homeless, encouraging donations of essential items. The event fosters a community spirit, with volunteers and race directors available to assist runners throughout the race. Visit the organization's website for the most recent information.

United States Georgia Smyrna

Race information

Registration Facebook
24 hr
24HR
100 mi
100 Miles
50 mi
50 Miles
Visit the organization's website for the most recent information.
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