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

Iwad:      doom2.wad
Pwad:      1024clau.wad
Map:       MAP02
Skill:     4
Category:  UV Max
Exe:       dsda-doom 0.28.2 -complevel 9 (advanced HUD is used)
Youtube:   -

Time:      0:40.43

Author:    cryoniq

Comments:

You have to be lucky enough to have revenant teleported quickly and kill it AND at least some (or better, most) of the other monsters with 2 rockets.
Was also very lucky with spectres/shotgunners.