First you have to find a Timed Trail Location.
See below for list of Time Trials Locations
Then when you are ready, interact with the stopwatch that pops up at that location to activate time trial.
You then have a limited time to touch all the other spheres:
Time Trial Locations
Locations for timed trials include:
- On steps in Tomato Temple
- South of Shifty Shafts, there is a bridge, the trial starts on the west side of the bridge
- Mountain south of Tilted Towers, overlooking the town.
- Top of mountain NE of Snobby Shores, overlooks rocket base.
- On flat expanse west of mountain west of Dusty Divot.
See map below
Timed Trials Map
- If you have any problems completing one of the timed trials, try using an ATK.