Bob Wilcox never runs without a four-legged companion by his side. He’s done so since the the early ’90s, when his own dogs kept him company while training for marathons. The puppy eyes that awaited him when came home from work as a healthcare consultant were just the motivation he needed to get out the door each day. “They were always my best training partners,” Wilcox told Runner’s World. “I’d come home and if I’m tired, there’s the dog ready to go.” However, after his German Shepherd passed away soon after moving to Los Angeles, he felt like his runs...