Answer:
4800 meters
Step-by-step explanation:
a kilometer is 1000 meters and he ran 4 (2 there and back)
and he did 800 on the bleachers
1000 times 4 = 4000
4000 + 800 = 4800
10500 meters as 8 km plus 2 km is 10 km which is 10000 m and 10000 m plus 500 m is 10500 m.
