In 1996, I spent 2 months training at 10,000 feet in Toluca, Mexico. My gracious host was two-time New York City Marathon champion German Silva. (If you think German is a fast runner, you should see ...

The word ‘stride’ can seem quite confusing in the context of running. First, there’s stride length, which is an aspect of running form. Stride length refers to the distance covered between the spot ...

Many runners believe their natural stride could be improved. Here’s what to know before trying to change yours. By Christine Yu Want to get better at tennis? Fine-tune your serve. Swimming? Perfect ...