Green Beret Fitness (GBF) is a fitness events company that designs rucking and hybrid-endurance challenges based on military training, tactics, and techniques.
STIRLING is a 5-day, multi-phase endurance event that GBF describes as “the most realistic Special Forces Selection in the world,” running October 7–11, 2027, in the Blue Ridge Mountains near Brevard, NC (Pisgah National Forest). Total distance is approximately 76 miles with a ruck load of 25–50 lb. Entry is $450 plus tax. As of this listing, registration is closed while GBF finalizes permitting and route confirmation for its 2027 schedule — GBF says full event briefs will follow later in 2026.
Registration and full event logistics are handled directly by Green Beret Fitness on their own event page.
Green Beret Fitness (GBF) is a fitness events company that designs rucking and hybrid-endurance challenges based on military training, tactics, and techniques. Events range from single-day timed ruck challenges to multi-day, Special-Forces-selection-style expeditions, held at locations across the U.S. GBF operates registration and event logistics directly through its own site, greenberetfitness.com.
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