The 𝗺𝗼𝘀𝘁 𝗽𝗼𝗽𝘂𝗹𝗮𝗿 control was #12, visited by 97%. Interesting, not a control that jumped out as being the most obvious collection for everyone, but I suppose it's in Hunts Creek where the points are, and was an entry/exit option too.
The 𝗹𝗲𝗮𝘀𝘁 𝗽𝗼𝗽𝘂𝗹𝗮𝗿 control as Ross presumed was #10, visited by 16%.
Looking at the heat map, there is a definite 𝗽𝗿𝗲𝗳𝗲𝗿𝗲𝗻𝗰𝗲 (red dots) for upper Hunts Creek and access routes, just a question of how far down the creek you ventured.
The 𝗹𝗲𝗮𝘀𝘁 𝘃𝗶𝘀𝗶𝘁𝗲𝗱 𝗮𝗿𝗲𝗮 (blue dots) was the extreme west - the isolated 27 & linking 6 required significant distance for those 40 points. As Ross noted, #14 was hard to work into an efficient loop, and #19 was omitted by many who preferred a more direct access/return from Hunts Creek.
You can compare your route and split times against others here: https://public.tableau.com/profile/richard.pattison...
The image shows the route choice for 2 of the event winners, James McQ and Richard M-S, identical route, scoring 590 and home in under 45 mins. The left bar chart is James' time, the middle bar chart is James time compared to Richard's - James was generally quicker for the first half, but then Richard was generally quicker for the second half.