Ключевые слова: advance, athlete, barbed wire, boot camp, caucasian, challenge, competition, cord, crawl, creep, determined, dirty, effort, electric current, electrified cable, exercise, extreme, female, four, fun, get under, girl, group, guy, happy, horizontal, hurdle, male, man, men, mud, muddy, obstacle course race, ocr, outdoors, overcoming, participant, people, person, real, runner, spartan, sport, tough, training, wire, woman, women, young,