Any previous concerns I may have had about enforcing Tomb Raider difficulty making the runs worse or much longer have been invalidated. Somehow managed to beat my previous WR on my first genuine run on Tomb Raider difficulty. Really great run even though I died like 7 times. Breakdown of time loss in Youtube comments if you are interested.
(for mods) @ 32 minutes I accidentally paused the timer instead of splitting I tried to add the same amount of time to the end result but you should probably check to be sure. If you need to adjust Run time that's fine.
PC runners, at the time being, the best idea would be to downpatch the game to b1026, as load remover and autosplitter don't work on the newest patch. Runs that don't use load remover will not be manually re-timed. You can easily do that in Steam Options by right clicking on the game in the Steam L