Updated: September 29th, 2019

Information on the Garmin Forerunner 45, 245, and 945 and have been leaked. The Forerunner 945 is going to launch soon and it will have many features of the Fenix without the higher cost. If you need a review on previous Garmin watches then our guide can help you out. Otherwise, check out the information and updates on the Forerunner watches below.

Garmin Forerunner 45 and 45s

The 45s is the smaller version of the Forerunner 45. Neither has Garmin pay, but they are rated at 5ATM. The price is $199.99 for either one.

The 45s has 1.56” (39.5 mm) display and weighs 1.13 ounces where the 45 has 1.65” (42 mm) and weighs 1.26 ounces.

Features for both Forerunner 45 and 45s include:

  • Garmin Coach training plan support
  • Estimates heart rate
  • GPS tracks pace, intervals, distance, and more
  • Garmin Coach adaptive training plans for personalized coaching
  • Incident detection as a safety feature by sending your location to emergency contact via smartphone
  • Sports include: cycling, running, indoor track, elliptical, treadmill, yoga, cardio, and more
  • Battery lasts up to 7 days in smartwatch mode and 14 hours in GPS mode

4s Only:

  • Smaller in size
  • GPS features to track distance, intervals, pace, and more
  • Smart notifications for calls and texts
  • Automatic uploads to Garmin Connect online community
  • Controls for playing music paired with a smartphone
  • Incident detection

Find here our in-depth review of the Garmin Forerunner 45.

Garmin Forerunner 245

The Forerunner 245 comes in a standard edition and a music edition. With the music edition, you can stream services (such as Spotify) right from the watch. The Forerunner 245 comes in colors black, white, and aqua. Both watches are 5ATM rated. Dimensions for both are 1.7” x 1.7” x 0.5” (42.3 mm x 42.3 mm x 12.2 mm) and it weighs 1.4 ounces.

The standard edition is $299.99 and the music edition is $349.99.

Find our Garmin Forerunner 245 Music review here.

Features of the Forerunner 245 include:

  • Advanced training features
  • Evaluates current training status and adapts the program if you are overdoing or under doing it
  • Garmin Coach offers free adaptive training programs or you can customize your own on Garmin Connect
  • Advanced running dynamics: stride length, ground contact time, vertical ration (need HRM-Tri monitor, HRM-Run, or Running Dynamics Pod)
  • Safety feature includes incident detection
  • Customized watch face with apps from Connect IQ store
  • Battery life: 7 days in smartwatch mode and 24 hours in GPS mode

Garmin Forerunner 945

The Forerunner 945 is an alternative to the Fenix and designed for serious athletes as it has the most advanced physiological features. The watch comes in a standard edition ($599) and premium edition ($749) — the latter which has a HRH monitor. Both versions of the watch have music and are rated at 5ATM. The dimensions of both watches are 1.9” (47 mm) and weight 1.8 ounces. If you are curious about the difference between the Forerunner 935 and 945, check out the review for the 935.

Features for the Forerunner 945:

  • GPS running/triathlon
  • Smartwatch plus music
  • Sync with streaming services and stores up to 1,000 songs on the watch
  • Bluetooth to connect headphones (not sold with the watch)
  • VO2 max monitoring
  • Training adjustments for heat, training load focus, altitude acclimation, aerobic and anaerobic training efforts, and recovery time
  • Garmin Pay
  • Full-color maps
  • Safety feature includes incident detection and sends your location to an emergency contact
  • Battery life: up to 2 weeks in smartwatch mode, 10 hours in GPS mode with music, or 60 hours in UltraTrac mode
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