On any given morning, a WHOOP user may wake up to a high green score—a “go-ahead” for practices and competitions—or a “no-go” low red score.
Brittany L. Usinger ’19 checks WHOOP on her phone every morning.
Usinger, like nine of her 32 teammates on Harvard’s women’s varsity swim team, wears a WHOOP strap on her wrist that tracks her heart rate and collects an enormous amount of other data. WHOOP is a “performance optimization system” founded by two Harvard graduates and one Harvard drop-out. It was designed for elite athletes and is currently used by students as well as professionals, including LeBron James and Michael Phelps.