3H Trail Half Marathon


Saturday August 7, 2021

In Person!

Half Marathon

$65 08/07 7:00AM EDT Price increases after March 31, 2021 at 11:59pm EDT

Virtual 3H Half Marathon

$45 Price increases after March 31, 2021 at 11:59pm EDT


Half Marathon

Next price increase is Thursday, April 1, 2021 Register Now! $65

Time Left To Train

Course Description


The race is run entirely on the Dahlgren Railroad Heritage Trail which is a converted railroad bed and provides solid footing with little or no roots.  This trail is flat, smooth, and fast with a variety of surfaces ranging from dirt, gravel, grass, and pine needles.  
The course is an out and back that starts at the Bloomsbury Road Trailhead and heads east from the start for ~6.5 miles before turning back.  The volunteers from Friends of the Dahlgren Rail Heritage Trail do an excellent job of ensuring that the trail is in peak shape for the race!

The trees along the trail ensure almost 100% shade during the run.


Overall: Top 5 Men and Women. 
Cash prizes of $100, $75, $50, $30, $20

Age Groups:  Top 3 Men and Women
19 & Under, 20-29, 30-39, 40-49, 50-59, 60 - 69, 70 & Over

All awards will be based on Gun Time.  To be considered for overall awards you must start in the First Wave.  Wave assignments will be based on estimated finish time.

Wave Starts

Because of trail restrictions near the start, waves of 20 to 40 runners will be used.  Assignments will be base on estimated finish times and will be started about 2 minutes apart.
Awards will be based on each runner's net time, with each runner in a wave given the same starting time.

Packet Pickup and Race Day Parking

Packet Pickup:

August 6, 2021 - Time & Location TBD
Race Morning: 5:30 - 6:45 at the trailhead

Race day parking is available at the Route 605 Trailhead. Please carpool if possible and arrive early. The parking lot will open at 5:00 am.

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