4:11

The Rules of Roller Derby - EXPLAINED!

1:45:04

WFTDA Roller Derby: 2014 Championships - Rose City Rollers vs. Gotham Girls Roller Derby

4:51

Basic Training Derby Strength Workout | Roller Derby Athletics

14:46

THIS IS DERBY [short documentary]

5:28

Roller Derby Explained

9:11

Standardized Roller Derby Fitness Test v2.2 | RDA

3:40

These Are The London Roller Girls

5:29

It's a Girl thing.. (Roller Derby)