Drive a race edition of the I-Series around 1 lap of the circuit. This may sound easy but the gravity will change between waypoints. The order cycles in order of the planets from the sun; in case you need a reminder, that's: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune.
Bronze - 3:00
Silver - 2:30
Gold - 2:15
Personal Best - 2:17