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Half Marathon, 3 weeks before race day, 35 mi away, registration open
MarathonHalf MarathonRegistration open
Silver Comet Half & Full Marathon
Mableton, Georgia750 spots
- Entry from
- $95
- Days to go
- 25
At a glance
- Date
- Oct 31, 2026
- Location
- Mableton, Georgia
- Distances
- Marathon, Half Marathon
- Registration
- Registration open until Oct 27, 2026, via runsignup.com
- Official site
- silvercometraces.com
- Listed from
- RunSignUp
- Last checked
- Oct 5, 2026
Plan this race for free
Aid stations, cutoffs and pacing in one plan, with the timeline your crew follows. Crew invites and race-day updates come with a Race Pass.
Build my planAbout this race
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
Key dates
Registration opens
Feb 10, 2026
Tier 1 ends
Mar 14, 2026
Tier 2 ends
Jul 5, 2026
Tier 3 ends
Aug 9, 2026
Registration closes
Oct 27, 2026
Tier 4 ends
Oct 27, 2026
Race day
Oct 31, 2026
Pricing
15th Annual Silver Comet Marathon
Tier 4, until Oct 27, 2026
$130
26th Annual Silver Comet Half Marathon
Tier 4, until Oct 27, 2026
$95
Email me updates about Silver Comet Half & Full Marathon
Registration openings and major changes, like a new date or a cancellation.
Entry transfers
Can't race, or need an entry? Post it here so nobody has to ask if it's still available.
Tune-up races
Haunted 5K, 10K, 13.1M & 26.2M at Athens, GA (41)
Oct 10Athens, GAMarathon, Half Marathon +2
Half Marathon, 3 weeks before race day, 70 mi away, registration open
AthHalf Half Marathon and AthFest Educates 5K
Oct 10Athens, GAHalf Marathon, 5K
Half Marathon, 3 weeks before race day, 70 mi away, registration open
Haunted 5K, 10K, & 13.1M at Gadsden, AL (41)
Oct 10Gadsden, ALHalf Marathon, 10K +1
Half Marathon, 3 weeks before race day, 83 mi away, registration open
Straight-line distance
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Races Near Atlanta
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October Races Nearby
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