Aside from better driving, I lost 3 seconds to the CPU stealing the boosts on the first lap of GK (Not much I can do about this, it's very rare to get both boosters, even just one is uncommon) and lost 8 seconds to failed U-bend skips on RP

MC - 2:52.770 TP - 2:31.750 GK - 4:06.780 RP - 4:29.00