Silver Comet Races
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Event overview
The Silver Comet Half Marathon and Full Marathon take place on Saturday, October 25, 2025, in Mableton, Georgia (Floyd Road SW, 30126). Both races are out-and-back events held entirely on the Silver Comet Trail and are USATF certified (Half Certification #GA12125WC, Full Certification #GA12126WC). The marathon is designated as a Boston Marathon qualifier. The 2025 races mark the 25th Annual Half Marathon and the 14th Annual Full Marathon. Registration status and participant instructions are provided through the race registration platform. Results are posted on RunSignUp the afternoon of the race and are uploaded to the race results archive the following Monday.
Other races and logistics
Distances
- 25th Annual Silver Comet Half Marathon
- 14th Annual Silver Comet Marathon
The RunSignUp event listing shows entry fees and a registration price increase date. The marathon entry is open to ages 18 and older. The site also references a separate Silver Comet 10K held each year on the second Saturday of March; that 10K is a point-to-point route with a listed start address (4875 Floyd Road, Mableton, GA) and finish at Silver Comet Trailhead (4573 Mavell Road, Smyrna, GA). Route descriptions, elevation profiles, and participant instructions are available from the race organizers. Visit the organization's website for the most recent information.