Heat Training

When you're running in the heat, how much should you adjust your pace — and still get the same workout intensity? We dig into the science of swelter.

As events as big as the Olympic Trials get rescheduled because of heat, we went to the science to find out how you should decide when it is too hot to run safely.

Here’s what you need to know to adjust your training and stay safe.

Plus: How heat training differs from altitude—and how to maximize its effects.

What if instead of going higher while training, you could just make things hotter?

Here is everything you need to know about running when the temperatures spike.

Check out Allison Pattillo's author page.

How heat and humidity affect running performance and how to acclimatize to hot conditions.

Summer training presents a unique set of challenges. Here's how to combat a few of them.

Check out Matt Fitzgerald's author page.