For those of us who just swim lengths in pools, keeping track of where we’ve swum is pretty easy. When it comes to triathletes and other people who swim in lakes or the open ocean, however, there aren’t any lane markers to look back on. Instead, they can now use the Hydro Tracker GPS, made by California water sports tech company FINIS. The waterproof device attaches to the user’s goggle straps, then uses GPS technology to create a map of where they’ve been, while also recording performance data.
Read the full article: FINIS gets out of the pool with open water GPS tracker