endurance geeks

As the number of Americans belonging to a house of worship declines, some athletes are finding a new sense of spirituality in swim, bike, and run.

We speak to researchers who have spent 40 years attempting to unlock the secrets of swimming—and reveal four absolute truths (and many more mysteries) they've uncovered along the way.

Forget what you learned from "Baywatch" - lifeguarding, specifically lifeguarding a triathlon, involves a complex series of decisions to keep athletes safe in a crowded, chaotic open-water swim where lives are literally on the line.

Using a “five kingdoms” approach that sounds right out of Game of Thrones, the British pipeline to Olympic and Paralympic development aims to build triathlon superstars for generations to come.

Cramps are the bane of every triathlete's existence. Scientists are uncovering new reasons why we cramp during races - and what can be done to relieve the discomfort.

These little powerhouses not only help fuel our training, but they define the exact ways our bodies respond to the training we do. New data says mitochondrial check ups could even help with the future of tri training and life in general.

Recent research has revealed some surprising results—upending traditional beliefs on sleeved versus sleeveless wetsuits, wetsuit price, and more.

Experts say the close bonds you form with your training buddies are no surprise. Here’s why.

Researchers have spent years trying to solve the pain puzzle—with mixed results. We unpack the complex relationship between endurance athletes and pain.

Physics rules the highly-specialized tri bikes, from the seatpost and frame to the way a rider sits on it.

There's a lot of info out there right now, but we've got the tools, tips, and tricks to help you separate the science facts from the science fiction.

What do you get when you comb through mountains of triathlon data? An evidence-based strategy to keep triathletes safer than ever before.

From the Tokyo Olympics to local triathlon races, race directors are fighting a constant battle against sewage overflows, algae blooms, and pathogens. What can the average triathlete do?

“A lot of people think, ‘Oh, if I go up to altitude for a weekend and come back down, it’ll be a benefit.' But it’s the opposite."

Hypothermia is more common (and more complicated) than you might think. We break down the complex science behind what happens as you approach the temperature danger zone and how you can help yourself.

GPS smartwatches and fitness trackers work so seamlessly that it’s easy to take for granted the intricate cosmic efforts required to make it happen.

From beef broth and brandy to lab-engineered nutrition, fueling endurance sports is an ever-evolving endeavor.

A first-of-its-kind study compiles all the ingredients needed to succeed at an elite level. But there’s still that intangible “it factor” that’s harder to quantify.

Chemistry labs, ergonomics, thermoregulation—even the Manhattan Project (yes, that one): The research on wetsuits spans decades, but which is best?

If a claim is too good to be true, it probably is. Here’s how to analyze bold promises like an expert.

Why isn't there enough research on women?

How science is bridging the gap between physical and mental health.

A look inside the great hydration debate.

Why do we choke? Why doesn’t positive self-talk always work? Why does swearing help us deal with pain?

Only if it can also change their mindset.

Inside the quest to hack the heat.

Do high-tech prosthetics give runners a competitive advantage?

To study cannabis in sport is to navigate an obstacle course of controversy, contradiction, and a maddening tangle of red tape.

More than 40 years after two jockstraps were stitched together, researchers are finally starting to understand how to build a better sports bra.

The majority of triathlon deaths happen in the swim. These researchers are trying to find out why—and how to prevent them.