He's reportedly "plotting" a sub-2 hour marathon. He's obviously either taking PEDs or high on drugs of another variety
forget mo
to run a 2"00'00 you woud probably need to be able to run a 1"58'00 on a track, as the difference between track & M is at least 2'00 ( even for berlin )
now, there is a physical limit to how good your endurance can get & that is probably what tergat had on the track
his 5k/10k ratio is best i can envisage ever & he was worth maybe 12'45/26'20 in '97 in perfect races
that's a ratio of 12'45/26'20 = 0.484
to get the profile of a likely 2"00'00 "berlin" guy, we need the line of fit which yields a 1"58'00 & has a 0.484 ratio difference between 5k/10k times
after a coupla minutes of inputing the line is :
53.6 / 1"58'00 ->
3'35.4
7'25.9
12'41.7
26'13.5
57'14
( add 1'00 to 1/2M to get a road one - sammy/zedster were already that fast at 1/2M !!! )
even to my surprise, it's not that shocking !?
beforehand, i thought it woud need absolutely worst of intrinsic 26-flat speed, but you can do it with more-or-less present 10k wr ability
it woud need a guy who off M training had
~ = current 10k wr ability whose endurance extended perfectly from 10k to M
the caveat is gonna be the toughest part of the proposition
going back to sammy/zedster
( & i'd throw in geoffey mutai/gilbert who both ran sub-59 in abu dhabi ( around that geography ) off a jog for the 1st 5k early this year )
the pre-requisite for a 2"00'00 road have already been achieved by 4 or 5 guys ( a 1/2M quick enough ) but we havn't had the "quantum leap" from 1/2M to M - endurance not lasting "perfectly" to full M off 1/2M ability, but i don't think it's that far out of reach