If you're looking for a new pair, there's good news coming out of REI—one of Arc'teryx's most popular pairs of trail runners ...

either on cross-training days or as a leisure activity on rest days. Hikes can also double as beta-gathering sessions for future trail runs, and most of us end up hiking parts of our longer runs ...

CROSS-TRAINING SHOES are the most versatile gym footwear around. They can be used to lift, run, and jump, which is good, because cross-training is about mixing it up. "When implemented properly ...