You do the running. Forerunner 245 does the thinking. This GPS smartwatch doesnât just tell you where you ran. It tracks your stats, crunches the numbers and gets to know all about your performance, your running form, your training history and even your goals. All you need to focus on is putting one foot in front of the other. KEY FEATURES ADVANCED PHYSIO FEATURES: Evaluates your training status to indicate if youâre undertraining or overdoing it and offers additional performance monitoring features like VO2 Max., recovery time, aerobic and anaerobic training effect, training load and more. ADVANCED WORKOUTS: Whether you are training for a 5K or a marathon, create your own workout or download one of our training plans. Also supports Garmin Coach adaptive training plans â for free! GARMIN COACH: Get custom training plans that adapt to help you meet your 5K, 10k or half marathon goal. ADVANCED RUNNING DYNAMICS: Includes cadence, ground contact time, ground contact time balance, stride length, vertical oscillation and vertical ratio. SAFETY AND TRACKING FEATURES: Easily share your location with chosen contacts in case you need assistance â manually, or automatically with built-in incident detection, if needed. CONNECT IQTM: Check out the Connect IQ store, where you can add personality to Forerunner 245 by downloading apps, widgets, watch faces and more. Itâs easy and - even better - itâs free! BATTERY LIFE: Up to 7 days in smartwatch mode and 24 hours in GPS mode. MULTIPLE SPORT ACTIVITY MODES: Run plus treadmill, indoor track, bike, indoor bike, treadmill, pool swim, row indoor, elliptical, stair stepper and more. GPS, GLONASS & GALILEO: With GPS, GLONASS and Galileo satellite signals, youâll know how far, fast, and how hard youâve run on your longest trail runs or on your way through the city. ADVANCED WELLNESS FEATURES: Activity tracking, all-day stress, sleep tracking and more. BODY BATTERYTM: To help you optimize your bodyâs energy, Body Battery energy monitoring uses collected data to gauge your energy reserves at any moment, so you can plan your day to optimize times for activity and rest. CONNECTED FEATURES: Bluetooth sensor support, smart notifications, control & play music, ANT+, LiveTrack and more. RACE PREDICTOR: As part of your training plan, it can even help you predict your race time.