Perhaps you're deep in the midst of marathon training, or you're a beginner who wants to get better at running but are overwhelmed by anything longer than a 5k. Either way, it's time to give Jeffing, ...
Count on better recovery and faster times when you master this training tactic.
The run/walk method has been around since the 1970s, and it has surged in popularity as more athletes learn that regular walk intervals may help you run longer—and faster. Olympic marathoner and ...