Sun, 17 Oct 2027
In 349 days
OpenHalf marathon + Marathon
Snohomish River Run: Snohomish River Run, Half Marathon
Join us for a day full of fun and racing.
Photo Nelson Ndongala / Unsplash
Date TBA · expected Oct 2027 · Mableton
Course, start times and fees below are based on 2026. They'll update when the organizer announces 2027.
Course details aren't published yet. Check the official site
Long stretches of paved trails that snake through the lush, green, wooded forest areas of the northwest Atlanta suburbs are the hallmark of the Silver Comet Marathon & Half Marathon, for an event that usually sees more than 1,500 runners each year.The Silver Comet Marathon and Half Marathon are presented by Silver Comet Races, which is owned and founded by Dana Greene. The race proceeds benefit numerous community programs and school running programs.The Silver Comet Marathon and Half Marathon are the only races of their kind on the Silver Comet Trail in Cobb County, a beautiful scenic trail that stretches from just inside the perimeter all the way west to Alabama! The Silver Comet Trail is loved by families and athletes alike for running, cycling, sight-seeing, and general recreation.
More half marathons nearby in time
Sun, 17 Oct 2027
In 349 days
OpenHalf marathon + Marathon
Join us for a day full of fun and racing.
Sat, 9 Oct 2027
In 341 days
OpenHalf marathon + Marathon
Embrace the timeless charm of coastal New England with the Cape Cod Marathon.
1,162 runners
Sun, 19 Sep 2027
In 321 days
Not open yetHalf marathon
Silver Comet Half Full Race Club
Join clubLog in to post, comment and vote.
Date to be announced
| Distance | Start | Fee | Places | Enter |
|---|---|---|---|---|
Marathon 42.195 km · 07:15 | 07:15 | — | — | |
Half Marathon 21.1 km · 07:45 | 07:45 | — | — |
Where would you finish?
Add your half marathon PB and we'll place you in the 2025 field, here and on every race.
Add your PBMedian, men 2:04:38Women 2:22:59
From past results on raceIQ .
The race date isn't confirmed yet, so pick your own dates.
Search hotels on Booking.comWalk to the start
We haven't mapped places to stay near this race yet.
Distances are from the race's location, not the start line. Places from OpenStreetMap contributors.
Something wrong or missing?
Medal is on iPhone
Put races on your Radar and get a notification when the ballot opens, before entries close and when race day's near.