Players who are doing the first heroic race should check this.
For rewards look here.
More will follow.
Timelimited laps:
Finish lap 5 in less than 8 hours = reward x10
Finish lap 7 in less than 9 hours = reward x8
Finish lap 10 in less than 9 hours = reward x10
Finish lap 12 in less than 10 hours = reward x8
Finish lap 15 in less than 10 hours = reward x2
Finish lap 18 in less than 11 hours = reward x8
Finish lap 20 in less than 11 hours = reward x4
Finish lap 24 in less than 11 hours = reward x2
Finish lap 25 in less than 12 hours = reward x5
Finish lap 30 in less than 12 hours = reward x3
Finish lap 32 in less than 12 hours = reward x4
Finish lap 34 in less than 13 hours = reward x5
Finish lap 36 in less than 13 hours = reward x3
Finish lap 38 in less than 13 hours = reward x4
Finish lap 40 in less than 14 hours = reward x5
Finish lap 42 in less than 14 hours = reward x6
Finish lap 44 in less than 14 hours = reward x10
Happy racing.