You can prevent the "airbounce" when going down from the propeller by limiting your FPS to about 40. Here is how you can do that:
"Before starting your run it is recommended that you limit your FPS to 40.
This is done so you have a way lower chance of encountering the airbounce glitch, which slows down your runs drastically. After some testing from Canliferous it seems that the lower your FPS is, the less likely you are to get airbounces. He recommends 40 FPS, because it's a good trade off between having no airbounces while still having your game run smoothly.
Limiting your FPS can be done easily if you have an Nvidia Graphics Card. Go into NVIDIA Control Panel, click on Manage 3D settings. Then click on Program Settings. Here go and Add BABBDI, then scroll down to Max Frame Rate. Then click on Use global setting, and switch it On. Type 40 into the textbox and press OK.
Lastly click Apply and now you should have your FPS capped at 40."
Apart from that you can also improve your time by letting go of crouch, as soon as you are under the map geometry after having performed the clip out of bounds. Because if you are crouching + holding W, you initiate a slide, and while sliding your speed gets increasingly reduced, until the slide ends, after which you are put back to top speed. So once you are in the "crawl space" where you can no longer stand up, then letting go of crouch makes you get out of slide immediately.
You should follow my any% route (my PB on the leaderboard), will be much easier to improve your time with that
I think a NG+/NoReset Any% category could be good, to bring a speedrun's goal to the logical extreme. To see how low we could get the timer. I would say it should probably be in the Meme section of the leaderboard, as I agree that it doesn't really bring anything new to the table and it would be generally just "less serious" I feel.
it should be in the rules section of each category, go to: Show rules -> Category rules
Pretty cool update overall, only thing missing is the Recent Runs tab. It was a good way to spot newcomers and give them a warm welcome to the community