First serious track creation

Hi, Im new here, I came because the OvivoJR and Fab.Iceman youtube channels, I love the racing events and the community in general, so I decide to make an attempt of a serious racing track with the editor. Here it is

es.socialclub.rockstargames.com/member/Empineon/games/gtav/jobs/job/JMm2X3daUUmYBlqs_Qb7VQ?platformId=8

Please try it and tell me your opinions and constructive ideas about the track.