The exact origins of National Swim a Lap Day are a bit of a mystery. Like many quirky holidays, it seems to have popped up as a fun way to celebrate the start of summer and promote physical fitness.

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. Swim for fitness. That ...

Certain tracker features are now ubiquitous: step counting, distance calculation, sleep tracking, and most recently, heart rate monitoring. But one of the more elusive features—swim tracking—is often ...

As an avid sports fan at the University of Georgia, I had countless conversations with other fans at the games that I attended. One in particular sticks out in my mind. I was at a volleyball match ...