I like it. It's kind of like an obstacle course. Some things that stood out were the use of checkpoints, the use of kill barriers, the size/length of the track, and the different obstacles/gimmicks, jumps, etc. I also liked the Breakout-styled sprinting entrance.

 

It looks like a very dynamic and creative race course (unlike many I see). If you can help it and have budget I would try to add some aesthetics to it though, maybe use the giant chunks in the terrain pieces to separate some areas or add some pillars to make some areas look like they are not floating. Question: Do you have moving pieces on the track? If not I think you should add some timed moving objects to make it even more badass.