Garmin Forerunner 245/945 get Swim 2 features & all-day respiration
The latest Beta firmware update for Garmin Forerunner 245 and 945 slaps on some useful new functionality. This includes advanced swim workouts and all-day respiration.
Essential reading: Top fitness trackers and health gadgets
Both of these watches saw the light of day earlier this year. The first is a great option for runners, the second has a bit of everything so is for those more serious about their athletic pursuits. There’s a Public Beta firmware update now that makes these watches even better.
The Forerunner 245 software has been bumped up from version 3.00 to 3.77. You can download it on this link.
This adds some Garmin Swim 2 functionality such as advanced swim workouts and auto rest. The other important update is all-day respiration. This is now viewable on the watch and app via the respiration widget . Other changes include improved treadmill calibration, a new Pilates workout and the usual squashing of bugs.
![]() | Garmin Forerunner 945/945 LTE | ![]() |
The Forerunner 945 Beta 3.77 is also now live. This includes everything above as well as some other Swim 2 features such as Critical Swim Speed and Swim Pacing Alerts. There are also improvements to audio playback and audio apps.
To install, you’ll need to connect your 245 or 945 to a computer using a USB cable. Download the Beta firmware update via the links in this article, unzip the file and copy it (GUPDATE.GCD) into the \GARMIN folder of your watch’s storage drive. Unplug the device from the computer and approve the update when prompted. The simpler option, of course, is to just wait for the public release.
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