A solid metric to know, considering its influence on race performance. Many coaches argue that lactate threshold is one of, if not the, biggest performance predictor. It determines how fast you can ...

As a runner, it’s helpful to know your lactate thresholds. And, yes, you read that right: thresholds. Plural. There is more than one lactate threshold that matters when it comes to pacing yourself and ...

When podcaster and physician Peter Attia published his blockbuster longevity book, “Outlive,” in 2023, he introduced a previously niche workout concept to a much wider audience. Attia claims that ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." When I first started running seriously, I thought I had to be out of breath and dripping sweat with my ...

A healthy dose of cardio is an important part of your exercise routine, and for a lot of us, "zone 2" cardio is going to make up a big chunk of that. Low-intensity cardio—sometimes called LISS or ...

Few would disagree that cardio, also called aerobic exercise, is good for your health. Of the 10 most common chronic diseases, seven are "favorably influenced by regular physical activity," according ...

If you're a casual-to-obsessed observer of fitness trends, you may have come across “Zone 2” training—heard about it on Huberman Lab, or The Drive with Peter Attia, perhaps. It has become a buzzword ...