I remember the challenge series races, I had one too complete where I had to run from the police in a Chevelle SS (it was a gold event) but I had to get a certain heat level and certain amount of cars chasing me and then escape. I got the cars, I got the heat and then I spent literally 30 mins trying to escape, I spent like 10 mins on punctured tyres and had like 120 cars chasing me (for real) and I’d taken out like 70. The police had pulled out all the stops and were using Corvettes to take me down.
Getting the heat level and the cars chasing you is easy, you just have to make it to the motorway connecting the top and middle areas together and then just drive up and down it. The problem was getting there because you get spawned in the top area (and I didn’t know my way around) so I got lost and started driving in circles before I finally made it to the motorway.
I then tired escaping to Fortuna (Wolf’s turf on the left) because I know the area but they cornered me at one point and I lost for like the 15th time. I never did finish that challenge, it was the only one I needed