Doom Speed Demo Archive
https://dsdarchive.com/

Wad: 	   ZOF.wad
Map:       31
Skill:     4
Category:  UV Max
Exe:       dsda-doom 0.28.3 -complevel 9
Time:      5:33
Author:    ELMLE

Comments: Did a couple of exits on this one because I ended up close the the next minute barrier each time.
Nothing went particularly horrible so going for sub 5 seems like it might be kinda difficult.