Jaw: For this race, and most others we measure turnarounds to a point. We had a race that had 2 turnarounds that were used multiple times (CT16063JHP and CT16064JHP), for these we used a semi circle (arc) type turnaround. There is a pretty complete discussion of laying out this type turnaround in this forum at: https://measure.infopop.cc/top...7#585516546019979007