With a bomb strapped to your back and only a few seconds on the clock, there's absolutely no time to waste! Go FLATOUT from the onset and try to find the optimal driving line to pass through as many checkpoints as possible. Each checkpoint gives a certain amount of additional time so gain as much nitro, by smashing into scenery objects and gaining maximum air time, to propel you further and further! Each checkpoint gives you less and less time, so there's no margin for error if you're going for the Gold
Try not to crash as resetting results in a huge amount of time lost! Press reset and try again. Honestly, it'll keep you sane.