What actually changes in your running after 40, and how to build your master's training block around it. The science on recovery, strength, and staying fast past 40.

Super trainers and super shoes both use bouncy foam and tall stacks, but they do different jobs. Here is how to tell them apart and pick the right one.

Can you talk while you run? The Talk Test is a science-backed way to find your easy and threshold paces without a heart rate monitor. Here’s how to use it.