Garmin Forerunner 45S GPS Running Watch Monitors heart rate at the wrist, because a finger on the pulse is so old school. For concrete proof that you crushed it, GPS tracks pace, distance, intervals and more. Get yourself on the road to glory with free Garmin Coach adaptive training plans. Say goodbye to missed texts with smart notifications delivered right to your wrist. We’ve got your back with built-in incident detection and assistance features. Log more miles between charges with up to 7 days of battery life.