Board Thread:Game Discussion/@comment-26388545-20171108164018/@comment-29746749-20171108203620

I don't know if this will support your theory, but here's my experience:

Since I"m aiming for 100% completion, I immediately upgraded to the PR needed to finish the career series (PR 68).  This Track to Tarmac event has been extremely easy so far at this PR.

I don't remember what my Endurance goal was in 4.1 exactly, but it was around 8.8 km. So it appears that my upgrading did not effect the goal.

My goal in 4.4 was the same as yours (237.7 kph). Easily achieved.

So in my experience, heavily upgrading right from the start did not make my goals any harder than yours. It appears that the goals were similar.

My experience may not be the same as everyone else but I just wanted to provide my data from the perspective up upgrading heavily right from the start.