Time Trials
From Junkyard Truck Wiki - Official
Accelerated Dragon
This challenge starts on the road close to the bridge near the home. This path is a hill climb, followed by a rocky downhill path. Doing this challenge in the opposite direction will invoke the Reverse Dragon hill climb.
Rowhammer Loop
This challenge is invoked by the Race Director, and you will be racing another vehicle. A map can be viewed on the Race Director's table.