This entry was posted in Cycling  Fitness  Running  Swimming  Triathlon and tagged Changes in Run Watch Technology  Garmin Forerunner 10  Garmin Forerunner 15  Garmin Forerunner 920XT  Nike+ Sportwatch GPS  Polar RS220SD w Foot Pod  Run Watch Technology Comparison 2007 thru 2015  TomTom Multisport Cardio w Wireless Heart Rate by tootallfritz