Huawei Watch GT Runner 2 - Scientific Review
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Rob, a post-doctoral scientist specializing in biological data analysis, tests the Huawei Watch GT Runner 2 during a run. He previously used Garmin Forerunner and Coros Pace models. This second edition has better materials, hopefully improved GPS, and excellent heart rate tracking typical of Huawei. Its light weight may enhance heart rate tracking compared to heavier Huawei Watch models. Tests focus on heart rate tracking, GPS tracking for runs and exercises, recovery tracking, and sleep stages.
Some running data didn't sync due to beta firmware, but heart rate data from indoor cycling, outdoor cycling, and weightlifting looks good. For indoor cycling, a scatter plot shows Huawei Watch GT Runner 2 heart rate vs. Polar H10 ECG chest strap reference. Points align closely with the blue identity line, correlation R=1.00 (perfect). Example rides show red GT Runner 2 line overlapping blue reference line perfectly, with minor deviations in one session.
Compared to 2025-2026 devices, GT Runner 2 ranks among the best (top right), similar to Apple devices, Huawei Watch 5, Huawei Watch Fit 4 Pro.
Outdoor cycling scatter plot shows correlation R=0.96, points mostly near identity line, some low/high deviations. Example sessions: minor low HR moment, near-perfect except end deviation, minor deviations overall.
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