

Train smarter with VO2 max, an indicator of how you can expect to perform. When used with a compatible accessory, Forerunner 245 measures crucial running metrics such as cadence, stride length, ground contact time and balance and more. Track where you run, and get accurate stats, including distance, pace and intervals.

Gauge how hard your heart is working during activities, even underwater. Get heart rate data3 along with alerts if your heart rate stays high while you're at rest. Switch up your workout routine with activity profiles for cycling, pool swimming, indoor rowing, elliptical, stair-stepper and more. These adaptive training plans feature guidance from expert coaches and free training plans that adapt to you and your goals. It even gets to know you, mile after mile and song after song. This GPS running smartwatch does the thinking.
