We hit the gym with Marshawn Lynch and Marcus Peters to determine if today's fitness watches could keep up with a star athlete. Watch our video to find out how the Fitbit Blaze, Gaming Vivoactive HR, and Polar A 360 held up.
In August, a partnership between iFit and NordicTrack will lead to new sleep technology -- a tracker that will help users determine how their downtime influences their active time.
The Scosche Rhythm+ is a highly accurate heart rate monitor and biometric sensor that logs your workout performance. The Rhythm+ works with most popular fitness apps like MyFitnessPal and Nike Run, as well as ANT+ connected exercise equipment.
These are stunts that will make you ooh and ahh while feelings of envy and awe make your feet itch for the pedals. Unless you're made of money, don't put your racer or wooden-frame fixed gear with a belt drive through this trauma.