Accuracy of smartwatches in predicting distance running performance.

Objective: This study examined the accuracy of smartwatches in predicting running performance.

Methods: A total of 154 amateur runners (123 males and 31 females) were recruited. After wearing the HUAWEI WATCH GT Runner for a minimum of six weeks, the runners' actual completion times for 5 km, 10 km, and half marathon distances were measured, resulting in 288 test instances.