This challenge is part of Fortnite Chapter 2 Season 3 Week 8 Challenges and you'll have to complete a motorized canoe trip on the holographic circuit on the lake north of Misty Meadows.
To begin the course, you'll need to stand with your motorboat just in front of the start line. Once the countdown is over and the light turns green, large blue rings will appear over the water. You'll have to pass through all the gates to complete the challenge.
The map below shows you the location of the starting line.
Map
The video at the top of the article will allow you to see the difficulty of the course before you start the stopwatch!
The circuit is generally quite simple. You'll hardly need to engage the boat's boost, except for the last jump, where an extra push will be welcome. Also beware of sharks, which can attack your hull and cause you to deviate from your course.
Finally, remember that the challenge is simply to complete the trick once, regardless of the time on the clock! There's no need to hurry, despite appearances.
Original content by Romain "Zorg" Becquelin.