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OSS/CIA 50 (& 25) Mile Night Trail Race

Dumfries, VA, US
Jun 11, 2016

Type: Running - Regional

event website

added by: hughmac⁴

OSS/CIA 50 Mile Night Run
Saturday 11 JUN 2016
START TIME: 730 p.m.
Time Limit: 14HRs

Run 50 miles on the trails that gave birth to the Central Intelligence Agency

Prior to World War II, the United States created the Office of Strategic Services (OSS), which served as the United States’ first clandestine intelligence gathering agency, and the predecessor of the Central Intelligence Agency (CIA). Prince William Forest was used as a primary location for training OSS spies for infiltrating enemy territory in the Asian and European theatres during World War II.

Roads and trails pay tribute in name to the park's history as the United States' first training center for spies. Additionally, the cabins provided in certain areas of the park for camping, are the original cabins utilized by the "nameless" soldiers as they learned to ply their trade as a spy.

Race and Course Information

The OSS/CIA 50 miler is (as its name suggests) a 50 mile event...but does allow you a 25 mile option. The course is a 25+ mile loop run primarily on single track, with some fire road, and several bridge and road (NPS road) crossings. All starters that complete one loop of the course (25+ miles) will have their times recorded/reported. The 25+ mile loop is run twice to give you 50+ miles. If you choose to run one loop you will not receive the OSS finisher's award.


Crews will only be allowed at the Telegraph Road Pavilion Start/Finish line. The National Park Service has asked that we not allow crew to move around the park after settling in for the race/evening, for safety reasons. All crews and pacers must be in the Park and at Telegraph Road pavilion before night fall. This is a trial event with us and the Park, folks who do not comply jeopardize our compliance with the Permit and could destroy our chances to host future events. Pacers will be allowed for all runners beginning at the second loop from Telegraph Road Pavilion.

Aid Stations

Two fully-stocked main aid stations at the start/finish (Telegraph road pavilion), and the half-way point for each loop (Oak Ridge Camp Ground). There will be two additional "mini-aid" stations with a smaller selection of food, and water and Gatorade located where South Valley Trail intersects Scenic Drive, and where Burma Road intersects Scenic Drive.

General information about the Park

The Prince William Forest Park established in 1936 has 37 miles of trails on it's 15,000+ acres, and is the largest protected natural area in the Washington, D.C., metropolitan region.


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59.3 hughmac⁴ Too soon after Worlds End

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May 14Massanutten Mountain Trail 100
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May 29Charlie Horse 1/2 mar.
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Jun 26Run for the Ages - Age-graded chasing start 10k trail race