After a couple of days, no one has beaten 2 of the 3 maps in my campaign.
This is track 2, in which I have added checkpoints, and proof it is possible by beating it
PolyTrack14pdFMvsDCCDEAF9XCJuQWOtTtQLjKPik2lC6YBNqhQIwXv6dzZ31RJu4kWKI0De6bf3KiFQ4jpGMr3xid5MagKNVzeWswWudWzjePKZlfsAJRZ6EGuQtvwMbME2wYnTntPVDVVHjE0bNbOfHSwEJHC7Z80vdK1zrisHGmK7YXFNLTjhh8ekymdlgRfFl8pFaOQwyoDl1F6JLJb6bgBJAq217A8Ff9uHDB
This map is a hint on how to get a consistent start on track 3.
PolyTrack14pdDBHtCABDFAA9fkSxj3bTrJXlE28GldJGxewwXPnjhSNlrLPUsPermzkDr3OzZvbcemMwkPACKoqSsJ2f0Nd49CGh5SF3SorQwHmdBn5xuJCqnA4CaVqPQMT9IJ
This is track 3
PolyTrack14pdFBHsDDCCDAA9Xi4NP2yAmoohpTT96yoaaIo7if9X89oQNVVfTIjOZz6IGfFNp20tuzcQL2uQBjjWaHjwK45iG29T8armmLPijVwBhGj8eCuMkVsPKOQ6fj7byqNsBA1r0zL8PAyYQEqB
and track 1 for anyone who missed it.
PolyTrack14pdFLGkDCCDEA8LR8iyxlttgUrJlKG3eIoWQtxCECWf6FnDzlJDpSpYaL5yszfcffMFBmaXhLpPCFgNktdC8cs5G4rBPUJRyUCnkMyIATUeh7MyALivl8rjoescpfBoU0F2vmZsA8s2ozHwJC1eDwrEcRyxwRnIDDsVzLbU4G33ObOpb1q1VNE5LjXEVwPAJgvmiB
First one to beat all 3 maps and comment their times wins :)