Suunto
Suunto smartwatch update improves heart rate accuracy and adds new features
· By Endurance Wire
Suunto is rolling out an update for its Run smartwatch . The wearable was released earlier in 2025 as a lightweight model designed for runners of all abilities. The new software version 3.21.14 is the second release in September 2025, following version 3.20.22, which added a reverse navigation function and more options for track running and ghost runner modes. The change log for version 3.21.14 (below) states that there are three new features. The first of these is a vertical running exercise mode. The update brings two new ways to open shortcuts from the watch face page.
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