The build looks messy. There isn't really a theme, it's all just random blocks. Also, the parkour looks like it consists of just ladders, slabs, and square blocks. Try to vary your parkour with fences, daylight sensors, ladders, slime jumps
I regret to inform you that your map is being rejected.
The theme is unoriginal, as we already have a map with the same theme and similar build (Random.) Before creating a map, please make sure that the theme has not already been done before by going here and clicking the google doc in the thread: https://manacube.com/threads/parkour-list-with-theme.20194/
There is no main build, which is a crucial issue. Every map needs to have a main build; something that your parkour can build off of! (NOTE: Yes, Random (the current one) doesn't have a build; this is a modern map requirement.)
The parkour is varied a bit throughout, well done. The length of the course is good for the medium difficulty; however, the parkour difficulty is inconsistent.
Thank you for submitting this map, I would love to see more submissions from you!
Have a nice day,
Kristina