The rules are the same of Any% (there is a thread for this). Consider that in this type of run you must:

1. Finish the story (and recieve the Murcelago)
2. Collect every boxes (40/40)
3. Complete every race

Time finishes when you go back to the safehouse to show 100% and 40/40 (boxes)

Hey, melwin96, we have NFS discord channel if you wanna talk ;) The link is in NFS general forum.

cool where can I find this?