This Flyboard Champ Performs Heart-Stopping Stunts

Gemma Weston of New Zealand has won two international competitions in this new extreme sport.
6:42 | 06/25/16

Coming up in the next {{countdown}} {{countdownlbl}}

Coming up next:

{{nextVideo.title}}

{{nextVideo.description}}

Skip to this video now

Now Playing:

{{currentVideo.title}}

Comments
Related Extras
Related Videos
Video Transcript
Transcript for This Flyboard Champ Performs Heart-Stopping Stunts
Get to your dealer today for incredible once-a-season offers, and start firing up those grilles. Lease the cla250 for $299 a month at your local Mercedes-Benz dealer. Mercedes-Benz. The best or nothing. Beating) Fight heartburn fast. With tums Chewy Delights. The mouthwatering soft chew that goes to work in seconds to conquer heartburn fast. Tum tum tum tum. Chewy Delights.

This transcript has been automatically generated and may not be 100% accurate.

{"duration":"6:42","description":"Gemma Weston of New Zealand has won two international competitions in this new extreme sport.","mediaType":"default","section":"ABCNews/Nightline","id":"40123550","title":"This Flyboard Champ Performs Heart-Stopping Stunts","url":"/Nightline/video/flyboard-champ-performs-heart-stopping-stunts-40123550"}