Hello maddiemaid,
I regret to inform you that your map is being
rejected.
The theme is original, well done there.
While your build is accurate, there is more that can be done to improve it. With a theme this simple, the detailing should be more apparent, as well as texturing better. For the filling, concrete would be a better choice (you need to worldedit it in, id is 251 for White Concrete.) The edges could also be better (described in the screenshot below)
https://prnt.sc/gsgPH_p3vQ4d
The parkour is also a concern. It is repetitive in the sense that most jumps are just distance jumps with nothing to really make it stand out. Try using some more creative jumps for your map! The checkpoints are also quite long, and there are some consistency issues throughout (both too easy and too hard jumps.) Make sure your parkour is balanced!
Thank you for submitting this map, I would love to see more submissions from you!