3 hours and 25 minutes. About 51.0 kilometers. Nanxing Road. Start from the starting point due east, ride along Nanxing Road for 170 meters, turn left into Cao'an Road and ride along Cao'an Road for 670 meters. Turn left into X426 and ride along X426 for 110 meters. Right

Turn into Nanzhang Center Road and ride along Nanzhang Center Road for 1.1 kilometers, turn left into X412 and ride along X412 for 1.5 kilometers, turn right into S123 and ride along S123 for 1.6 kilometers, turn left into Friendship Center Road and ride along Friendship Center Road

270 meters, turn right and ride for 970 meters, go straight into Zhangnong Center Road and ride along Zhangnong Center Road for 1.1 kilometers, turn right into S325 and ride along S325 for 410 meters, turn left across the road and continue to ride along S325

Go 10 meters, turn left onto S123 and ride along S123 for 3.2 kilometers, go straight onto the Puxing Highway auxiliary road and ride along the Puxing Highway auxiliary road for 1.4 kilometers, go straight into S123 and ride along S123 for 1.7 kilometers, turn right into S324 and ride along S324

Go 10 meters, turn left onto the Puxing Highway auxiliary road, ride along the Puxing Highway auxiliary road for 1.7 kilometers, turn left into Gongye Road and ride along Gongye Road for 10 meters, turn right into S123, ride along S123 for 7.6 kilometers, go straight into Puxing

Ride along the auxiliary road of Puxing Highway for 210 meters, go straight to S123 and ride along S123 for 3.1 kilometers. Go straight to enter the auxiliary road of Puxing Highway and ride along the auxiliary road of Puxing Highway for 1.2 kilometers. Turn left to enter Puxing Highway and ride along Puxing Highway for 1.2 kilometers.

Ride 20 meters on Xing Highway, turn right to S123 and ride along S123 for 740 meters, go straight onto the Puxing Highway auxiliary road and ride along the Puxing Highway auxiliary road for 1.2 kilometers, turn right into Lin Heng Road and ride along Lin Heng Road 510

meters, turn left into Sanxuan Road and ride along Sanxuan Road for 780 meters, turn right into Herong Road and ride along Herong Road for 420 meters, turn left into Sanlu Highway and ride along Sanlu Highway for 1.1 kilometers, go straight and enter

Changqing Road, ride along Changqing Road for 2.8 kilometers, turn right into Yangsuo Road and ride along Yangsuo Road for 730 meters, turn left into Shangnan Road and ride along Shangnan Road for 1.8 kilometers, turn right into Pudong South Road and ride along Pudou South Road for 8.4 kilometers

, turn right and ride for 30 meters, turn right and forward to enter the Taigong Line and ride along the Taigong Line for 600 meters, turn left and ride for 10 meters, go straight into Gongfen Road and ride along Gongfeng Road for 440 meters, turn right and enter

Bike along Dongchangzhi Road for 260 meters, go straight to Changyang Road and ride along Changyang Road for 3.2 kilometers, turn left and ride for 40 meters to the end point at Putuo Mountain Food Plaza