Originally Posted by
TimothyH
Roller racing is still popular.
Now it is called Goldsprints.
Rollers are wired to timing equipment for competition. There is a world championship.
The equipment can be rented for parties.
This is a random example of Goldsprints at some brewery in San Francisco.
https://www.youtube.com/watch?v=pj1VhZ3gMnE
-Tim-
That's not roller racing, that's trainer racing.