For the first two loops, everyone runs clockwise. For the next two, counter clockwise. For the last lap, the leader picks a direction and anyone left alternates, so odds follow the leader, evens go the opposite way.
In this case, John picked CW, so Gary had to go CCW. Although per twitter, they had discussed it during the 4th lap and decided it mutually.
In this case, John picked CW, so Gary had to go CCW. Although per twitter, they had discussed it during the 4th lap and decided it mutually.