Smaller-sized Forerunner 255S provides up to 12 days of battery life in smartwatch mode and up to 26 hours in GPS mode for a full picture of your health — from sleep to training Morning report summarises your sleep, HRV status and daily workout suggestion in one place as soon as you wake up View your entire week of daily suggested workouts, which adapt after every run to match your performance and recovery HRV status tracks your heart rate variability while you sleep, giving you greater insight into your overall wellness, recovery and training performance Get free adaptive training plans from Garmin Coach for a 5K, 10K and half-marathon, or create your own custom workouts in the Garmin Connect smartphone app Evaluates your current training status to indicate if you’re undertraining or overdoing it; offers additional performance monitoring features, including recovery time after your workouts Multi-band satellite tracking on GPS, GLONASS and Galileo networks gives you superior accuracy for how far and how fast you’ve run — even in challenging environments Safety and tracking features make it easy to share your location with chosen contacts if you feel unsafe, if an incident is detected or for loved ones to track your runs Receive emails, texts and alerts right on your watch when paired with your Apple or Android smartphone; you can even respond to texts if you have an Android phone Leave your cash and cards at home; Garmin Pay contactless payments1 let you pay for purchases on the go