For people aged 30-39, the running distance of 12 minutes is less than 1.5- 1.8 km, which indicates that the sports level is poor. If it can reach 1.8-2.6 km, it means that the sports level is good; If it can exceed 2.6 kilometers, it will reach the excellent sports level.
For people aged 40-47, people with poor sports level run within 12 minutes; Ok1.7-2.4km; Excellent over 2.5 kilometers.
Poor, good and excellent people over 50 years old run within 12 minutes, 1.5km, 1.6-2.4km, and more than 2.5km. ..