Cat B: 8 laps, each lap 3.8 km, total 30.4 km. The 4th lap is a sprint lap.
Cat B: 8 laps, each lap 3.8 km, total 30.4 km. The 4th lap is a sprint lap.
组：8圈，每圈3.8公里，总共30.4公里，第四圈为冲刺圈。
Cat B: 8 laps, each lap 3.8 km, total 30.4 km. The 4th lap is a sprint lap.
组：8圈，每圈3.8公里，总共30.4公里，第四圈为冲刺圈。