A made for TV film from 1998. "The film is set in 2025, and centers on a sport called "Futuresport" (a combination of basketball, baseball and hockey that uses hoverboards and rollerblades) created as a non-lethal way to reduce gang warfare." (Taken from the Wikipedia entry)
Stars Dean Cain, Vanessa Willaims, and Wesley Snipes.
This sounds GOLD for riffing
https://en.wikipedia.org/wiki/Futuresport