I suppose going all the way to the bottom of the map slowed me down. But by accelerating off the floor, I was able to get to the right side of the map, and accelerate on the right wall. I could go much higher than the finish flags.
a lot of your levels are really good kris, the winter one, i never finished it, but going left first, i had all 4 flags in 33 seconds and then messed up