Triathletes and ambitious runners especially appreciate the wide range of data that the Forerunner 935 provides. For example, it provides data on running efficiency, wrist heart rate, training condition, performance-related anaerobic threshold and VO2max. Get even more out of your workout and recovery time with this high-end GPS multisport watch to help you optimize your performance. Your stylish companion The Forerunner 935 high-end GPS multisport watch is lightweight and comfortable so you can wear it all day. The 935 is compatible with our QuickFit™ interchangeable wristbands, which can be changed in an instant. There is the right wristband for every occasion and changing from a sporty silicone strap to a classic leather strap or even a precious metal bracelet is easy and requires no tools. Keep an eye on your performance, training and recovery How effective is your current training plan really? Forerunner 935 helps you monitor your training and recovery so you can better prepare for a competition or training period. Stage of Exercise is a new performance tool that automatically tracks your recent workouts and performance indicators to tell you if your workout is building form, peaking or overworking. The new Anaerobic Training Effect provides insight into an important part of your training and tells you if your training improves your ability to train very intensively. You can even display your general training load. It compares your training volume of the last 7 days with the optimal range for your fitness level and your last workouts. File your running technique Certain data will help you improve your form. We provide you with this data. Forerunner 935 can capture key running efficiency data2 that you can use to analyse your performance. Biomechanical metrics such as stride rate, stride length, touch time, touch time balance, vertical movement and vertical ratio are essential to knowing your shape and getting the most out of your race day. You can get these values by using a compatible heart rate chest strap2 or the compact Running Dynamics Pod that attaches to the waistband of your running pants. Also use special features for cycling and even swimming training. In the water, Forerunner 935 measures distance, pace, number of moves and more. A Long-Term Battery You need a battery you can rely on for long workouts and one that won't give up in a triathlon, Ironman or ultra marathon. The Forerunner 935 battery lasts up to 24 hours in GPS mode and up to 60 hours in UltraTrac power save mode. As an everyday Smartwatch, you only need to recharge your watch every 2 weeks. Run, sprint, swim, bike, triathlon Your routine is anything but routine. The Forerunner 935 makes it easy with built-in activity profiles: Running (indoor/outdoor), Cycling (indoor/outdoor), Swimming (pool/open water), Cross Country, Paddle sports, Trail running, Hiking, Weight training and more Switch between the sports during belt training, duathlons and triathlons with the automatic multisport function at the touch of a button.