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running

Silver Comet Half & Full Marathon

Date
October 31, 2026
Distance
26th Annual Silver Comet Half Marathon · 15th Annual Silver Comet Marathon

From the Organizer

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 

Distances & Pricing

26th Annual Silver Comet Half Marathon7:45 AMRegister →
15th Annual Silver Comet Marathon7:15 AMRegister →

Race Location

About This Sport

From Endurance Grid's Founder

Endurance Grid is here to help you understand the sport, decide if it's the right fit, and learn how to prepare. For course distances, logistics, and race-day specifics, always defer to the race organizer's event page.

The half marathon is the distance where you find out what you're actually made of. Long enough to demand real preparation. Short enough that it doesn't consume your life to train for it. Most people who run their first half describe it as the race that changed their relationship with what they're capable of. Once you cross this finish line, the bar moves. That's not a warning — that's the point.

Race day energy varies by event size, but the finish line feeling is the same regardless. Big races keep the noise going the whole way. Smaller races give you stretches where it's just you and the miles — and that solitude becomes its own kind of fuel.

The half marathon rewards people who show up for the boring training miles.

How long to train: 10–14 weeks. If you're already running consistently, 10 weeks of structured buildup is enough. If you're building from a casual base, give yourself 14.

Running

From 5K to marathon, running races are the most accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.

Frequently Asked Questions (FAQs)

What is the Silver Comet Half & Full Marathon?
Silver Comet Half & Full Marathon is a running event held in Mableton, GA. Learn more about the different endurance sports here.
When and where is the Silver Comet Half & Full Marathon?
Saturday, October 31, 2026 in Mableton, GA at Floyd Road SW, Mableton, GA. Check the official event page for exact start times and wave schedules.
How do I register for the Silver Comet Half & Full Marathon?
Registration is handled through their official registration page. Confirm pricing, distances available, and sign up there.

Silver Comet Half & Full Marathon

Oct 31, 2026

Register →