Played on the PS4. Decided to do some re-routing and it worked out. I'm also a very fast masher, which could also play a role in my time. Been a lifelong fan of this since it came out on PS2, very happy with this time for now.
Time starts on Area 1 select. Time ends on final explosion of Stage 4 boss (same split described by previous WR runner, despite video evidence missing). I'm OK with adjusting time to split after control of cursor is lost, but previous WR time would need to be adjusted as well to reflect such a change.