For hours, Noa Umbaugh and her five friends ran, crawled and dragged one another through a gritty obstacle course at the Sonoma Raceway in Sonoma, Calif. Tangles of barbed wire and rows of wooden ...

(AP) More than 10,000 people trekked to northeastern Pennsylvania to scale walls, leap fire and crawl commando-style through a mud pit topped with barbed wire. Willingly. For kicks. And they paid ...

The obstacle course includes rope climbs, cargo nets, burpees, and crawling under barbed wire, testing both strength and agility. As the competition unfolds, the difference between power and movement ...