Glossary

A two-minute period of gameplay during which jammers score points by lapping the opposing pack.

The first jammer to legally pass the opposing pack without committing a penalty, earning the right to end the jam early.

The largest group of blockers from both teams skating within proximity of one another.

A jam in which one team's jammer is in the penalty box, letting the other team score uncontested.

When a jammer hands their star helmet cover to their pivot mid-jam, making the pivot the new jammer.