Claris | Sonic Mania - Oil Ocean 1 (Sonic) Speedrun in 53.26 @claris9956 | Uploaded August 2017 | Updated October 2024, 1 hour ago.
Too bad you can't just go through the oil the whole time like in Sonic 2 :(

Playlist with all of my Mania time attacks: youtube.com/playlist?list=PLqxHnyWihzSMGNs-MuF58F_MSZdESpJDw