Review of the Speedcoach SUP GPS with Heartrate June 12, 2014 at 8:39pm by Tim Patterson, SUP VIC. When I first saw that there was a new GPS device specifically designed for Stand-Up Paddling, I was pretty excited, especially when I heard that it did accurate stroke rate and was accurate to within centimetres. Nielsen… Continue reading REVIEW: SpeedCoach GPS SUP with Heart Rate