In roller derby, a split pack is defined as two groups of skaters, equal in number. If the pack becomes split, no legal pack is defined. Skaters will be warned to speed up or slow down to reform the pack and are subject to penalties. Also, a roller derby themed online clothing store.
"Did you see that team in the Split-Pack shirts? They grabbed an opposing blocker and fell back 11 feet, and sent their pivot to the front of the other group! It's a split pack situation!"