To begin, four blockers and a jammer from each team line up behind their starting points, the blockers at a line 30 feet ahead of the jammers. A single whistle from the referees starts the pack rolling and once it moves past the front line, the jammers are signaled to take off with a double whistle blast.
Points are scored by lapping members of the opposition – one point apiece – so the jammers begin picking up points on their second pass through the field of blockers. The initial, non-scoring pass matters because the first jammer to cleanly navigate the pack is awarded ‘lead jammer’ status, giving her the ability to end the jam at a time of her choosing.
The team with the most points at the end of the game wins.
| BY THE NUMBERS |
| 2 minute plays – aka “a jam” |
| 2 x 30 minute periods |
| 30 second break between each jam |
| 3 timeouts per team |
| 4 minors or 1 major penalty = 1 minute in the penalty box |
| 7 trips to the box = player ejection |
| WHAT’S LEGAL? | WHAT’S NOT? |
| Contact between the shoulders and mid-thigh | High and low hits; hits to the back |
| Hitting someone using your upper thighs, hips, butt, side or shoulder | Hitting someone using your lower legs, arms, elbows or head |
| Pushing a teammate to give her a boost in speed | Pushing a member of the opposition |
| Being out of bounds as the result of a hit | Being out of bounds to avoid a hit or to pass people |
| Skating clockwise to return to the pack | Skating clockwise while hitting someone or to pick up a dropped helmet cover |
| Jumping the apex – the narrowest part of the track – to get past someone | Hitting anyone with both feet off the ground |
‘Booty block’ – maintaining position in front of an opposing skater by using your ‘booty’ to stop her from passing. Not the most spectacular block, but often the most effective!
‘Shoulder check’ – a hit to the side of the body using the shoulder and ribs.
‘Hip check’ – hitting using the hip to put another skater off-balance or out of bounds. This might look like a love-tap, but it’s surprisingly effective because it acts close to or under a skater’s center of gravity.
‘Can-opener’ – a shoulder check that lands on the opposing skater’s sternum. Ouch!