Game Basics


Game Structure

Roller Derby GIF

Roller derby is played in two 30-minute periods, divided into short rounds called "jams," each lasting up to two minutes. Each team can have up to 15 players but fields only five at a time—one "jammer" and four "blockers." Blockers form a "pack" and aim to prevent the opposing jammer from advancing while assisting their own jammer to pass through the pack.


Positions

Roller Derby positions

Roller Derby positions


Gameplay

At the start of each jam, blockers line up between the "jammer line" and "pivot line," while jammers begin behind the jammer line. The first jammer to legally pass the pack earns "lead jammer" status and can end the jam early by tapping their hips. Jammers score one point for each opponent they lap after their initial pass through the pack. Blocking and Penalties Blockers use legal contact to impede opponents but cannot block with certain body parts or hit opponents in restricted areas like the back or below the thighs. Rule violations result in penalties, sending the offending player to the penalty box for 30 seconds.


Strategies

Here is a helpful video that explains the rules more in-depth!