Willow Springs is a raceday event featured in Need for Speed: ProStreet. The event takes place at Willow Springs and is hosted by the Battle Machine organisation. The raceday is unlocked upon Ryan Cooper dominating the Battle Machine Challenge: Nevada event. The raceday allows all participants to drive any vehicle of their choosing but a Grip and Drag vehicle is required for entry. A backup car may also be chosen but will be restricted to a single class. Completing a race at this raceday event will award $400 for a 3rd place finish, £600 for a 2nd place finish and $1,000 for a 1st place finish.