Question: where are all the timed trials in season 6?
Answer: The first Timed Trial is located just above the ruins of the rocket silo / evil villain lair just to the northeast of Snobby Shores.
The second Timed Trial is located on the western side of the bridge southeast of Shifty Shafts.
The third Timed Trial is located on the western side of the temple in Tomato Temple.