Keep on rucking; exercise trend is packing in hiking aficionados There are a number of beautiful spots to go hiking in the Bay Area but for some, just walking the trails is not enough. "You could ruck on a dog walk, you can ruck in between your kid's baseball games, you can ruck with a friend," is how Bria Ruben described her workout routine. Ruben is part of Ruck Evolution, a group that offers training sessions while enjoying the outdoors.