When you lace up your shoes and get ready to run, make sure you have the right tool for the job. Forerunner 45 is the GPS running watch with all the running-related features you need in a sleek, lightweight smartwatch that you’ll want to wear all day and night. Common Features Fitness tracking for common activities: running indoors/outdoors, biking indoors/outdoors, cardio, elliptical training, stair stepping, and yoga. When you lace up your shoes and get ready to run, make sure you have the right tool for the job. 245 Before I get into the differences of the Forerunner 45 and 245, here’s what they have in common. Sports apps for running, cycling, indoor track, treadmill, elliptical, cardio, yoga and moreīattery life: up to 7 days in smartwatch mode 13 hours in GPS mode Things in Common: Garmin Forerunner 45 vs. And its intuitive button interface makes it easy for. Safety and tracking features include incident detection (during select activities) and assistance, which both send your real-time location to emergency contacts Built-in GPS tracks where you run and gives you accurate stats, including distance, pace and intervals. Works with free Garmin Coach adaptive training plans that bring expert, personalized coaching right to your wristĬonnected features include smart notifications for incoming texts and calls, automatic uploads to our Garmin Connect™ online community, live tracking and controls for the music playing on your phone Easy-to-use running watch monitors heart rate at the wrist and features GPS to track your pace, distance, intervals and more