Stuck indoors? Some running drills to boost fitness (and fun)

Switch things up and keep your heart rate high with these rainy-day drills

Jump rope for cross-training: how to get started

Rope-skipping is a great alternative to more traditional cross-training methods for runners

Skipping: Why it’s a runner’s secret weapon

Skipping is an excellent complement to your running routine, because it targets many of the muscles used in running as well as the upper body (which many runners neglect)