I already won the 1995 car, now I'm on the 2014 car/stages.  i'm on Race 2 of Day 3, the one where nobody can pass and you can't pass either. 

Are there any races in the next 9 days that also require gold to pass? ie - are f'ing impossible?   If so, I'm not going to bother with the entire circuit.  Not worth wasting a bunch of gold since I assume I can get my 75% completion of the Legends stage by just using the 1995 car with all R$ upgrades?