Good Paclines take practice. In a group dynamic, racers interact with the wind while turning both left and and right. When they become tired they still have to remember where they are at on the course.
Ladd's Addition is a neighborhood featuring four Rose gardens built off a central Euro-style traffic circle. In our practice, the Team circulates around these block wide gardens then sets up on the central circle for a 150yard sprint down a yet unused element of the neighborhood.
It takes a lot of thinkin'.