ChallTech, LLC

ErgSplits™ is the perfect application for any rower or coach with an iPhone or iPod touch. You no longer have to do mental math, get out a calculator, …

StrokeWatch™ Free is the perfect iPhone or iPod touch application for athletes, coaches, and spectators of the sport of rowing. Now you can try out so …

StrokeWatch™ is the perfect iPhone or iPod touch application for athletes, coaches, and spectators of the sport of rowing. Whether you are a coach tra …