To be honest it will not be that much of a grind. When I started playing GUKPT events in 2008 I looked at the structure and timing of them and the final table was hit about level 21 or so and that was with the mighty stack of 10,000 and average of 275/350 runners.
The last deepstack I played in Ireland with 580 runners and 50,000 chips still hit final table ( without me unfortunately ) at I think level 26. Admittedly this is 77 min levels but anyone want to guess the level final table reached maybe Trigg will run a book!
Bookie`s guess with say 375ish runners level 22.
I'll take the over level 22 for a buy in to any monkey event. Loser pays buy in but gets 20% as a chance to get out
Assuming a field of more than 300.