A Weird Tip Helped Me Master My Arm Swing—and Run Faster. You Can Use It to Unleash Your Speed, Too.

The key to faster running may not be in your legs, but in your arms.

A Weird Tip Helped Me Master My Arm Swing—and Run Faster. You Can Use It to Unlock Speed Gains, Too.

As I learned thanks to my coach’s unique teaching strategies, driving my elbows back and hammering my arms helped me race faster —and I knew that because I had literally hammered my arms before.