I remember inline skating as a kid at the skating ring. I use to love going there.
I've done it once or twice in my life. Never was so good at it, lol. Inline skating is a sport that's practiced widely internationally 
It is, they have it at the Olympics and those guys are crazy good at it.
No kidding. I expect so if they made it there! Inline skating is when you have 2 to 5 wheels in a single line under a boot
So if that is inline skating then what are the skates called that have 4 wheels and that little knob to help you stop that most kids use?
Inline skating
Inline skating is a multi-disciplinary sport and can refer to a number of activities practiced using Inline skates. Inline skates typically have two to five polyurethane wheels, arranged in a single line by a metal or plastic frame on the underside of a boot. The in-line design allows for greater speed and maneuverability than traditional (or "quad") roller skates. Following this basic design principle, inline skates can be modified to varying degrees to accommodate niche disciplines.
Inline skating is commonly referred to
its Winter Olympics debut in the sport.
- Distance
Speed skating.
Colombia is one of the strongest nations in inline speed skating, as it was the overall champion since 2010 at the World Roller Speed Skating Championships. However the sport is not on the Olympic program. In 2015, the Colombian Federation of Inline Skating was approved by the International Skating Union to become a member in the (ice) speed skating branch, allowing the nation the possibility to qualify for the Winter Olympics. One Colombian male skater won