There are more options than ever when it comes to keeping hydrated on the run. Don't stress about finding water on your route, carry it with you.

Feeling a little burned out from swimming alone? Today's session provides some excitement and energy for your solo swim.

Nate Helming explains why you should be practicing how to breathe every day—and it's harder than it sounds.

An ER doc looks at a study on how exercise impacts the immune system, and explains how to prevent illness after a big race or training day.

The debate over experience, safety and the allure of jumping straight into the deep end.

When triathlon shifted from post-college fitness to full-on fixation, I alienated my family and girlfriend. Here’s how I set boundaries to enjoy tri again - and win back my loved ones

There are a lot of adult-onset swimmers in triathlon - but are they at any disadvantage to triathletes who start swimming in childhood? Here’s what the experts say.

Running after riding a bike is much different from running on fresh legs. Learn about the physiology of running vs. triathlon running, plus how to estimate your triathlon run time.

This weekend, 57-year-old Jill Walker will complete her 100th Ironman triathlon in Florida. Along the way, she’s found joy, a global community, and plenty of very good (good, gooooood) dogs.

Former professional triathlete Laura Siddall analyzes half-distance performances from dark horse athletes leading into the 2025 Ironman 70.3 World Championship in Marbella, Spain.