The Silver Comet Half Marathon & Full Marathon are out and back USATF Certified races held entirely on the beautiful Silver Comet Trail just outside Atlanta in Mableton Georgia the last Saturday of each October. The marathon is a Boston Qualifier event.
Our grass root events are perfect for first timers or competitive runners seeking PRs. The Silver Comet Trail is beautiful and provides a flat and fast course.
Please find more information at SilverCometRaces.com
Runners may also be interested in the Silver Comet 10K on the 2nd Saturday of March every year - continues to be the flattest and the fastest 10K in the Atlanta metro area! Come snag your best AJC Peachtree Road Race qualifying time! This is a point to point race starting from 4875 Floyd Road, Mableton GA to Finish at Silver Comet Trailhead 4573 Mavell Road, Smyrna GA
Oct 31, 2026
Distance — 26.2 Miles
Type — Running
07:15
$100.00
Oct 31, 2026
Distance — 13.1 Miles
Type — Running
07:45
$80.00
These values represent the 3-year monthly averages for October in Mableton.
Learn more about the host city, Mableton.
Mableton is a city in Cobb County, Georgia, United States. Voters of the unincorporated area of Mableton approved a referendum to incorporate on November 8, 2022, and six council members were elected on March 21, 2023, with Michael Owens elected as mayor of Mableton in the 2023 Mableton mayoral election. According to the 2020 census, the census-designated area Mableton had a population of 37,115.
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