This is a tool developed by videogame_hacker#1957 with some help by me finding the data in the first place (Lucas7yoshi)

I don't speedrun personally, but im pretty sure this can be helpful for people learning Stunt Jumps/who want to improve routing.

https://github.com/half-cambodian-hacker-man/StuntJumpPractice/releases

• Install ScriptHookV (latest will work for 1.27)
• Put .asi into game folder

F4 = Toggle Mod F3 & Shift F3 = Change Opacity

Tested with latest GTA V and 1.27

Hopefully this is an allowed post, just wanting to help :)