In Speedway, there are four competitors. They
must ride around the circuit four times. The
circuit is 300 metres long. The table below
shows the time in seconds that it took four
riders to complete each lap*.
*lap = one completed circuit
Name Lap Lap Lap Lap Total number
ime 1 1 2 3 4 of seconds
Adams 15 14 18 16 63
Gollob 16 16 23 18 73
Olsen 19 15 13 17 64
Crump 19 21 20 18
78