Get comprehensive sport statistics and customized training feedback with the black Forerunner 935 from Garmin. This advanced, multi-sport watch was designed with runners and triathletes in mind. It offers several rich data points key to improving your athletic performance and fine-tuning your training regimen, including cadence, stride length, VO2 max, and more. The Forerunner 935 also offers real-time heart rate data, which will help you shape your training routine, and gives you feedback about performance and heart health.