You’re a runner, so train like one with Forerunner 45 or the smaller-sized Forerunner 45S. Both fuss-free watches monitor heart rate1 at the wrist and use GPS to track your pace, distance and more. They also work with free Garmin Coach adaptive training plans, which bring personal coaching to your wrist.
1 Activity tracking accuracy
2When paired with a compatible phone.See safety and tracking features requirements and limitations.