i'm never too propulsive in advocating calcs for 1/2M & M based on track times as former doesn't have benefit of relative windless conditions ( in modern enclosed stadia ) & wabbits/elites who can gauge/adjust adjust their pace every 400m by looking at stadia clock ( it can even give them projections ! )
trying
http://www.jundo.co.uk/
all we can guess is that tadesse is likely in something like
12'40 - 12'50 / 26'20 - 26'30
current shape ( watch his races over 10k especially osaka when he almost squeezed the life out of kennster - tadesse is definitly close to 10k wr ability & if you can do that, you need to have ``12'50 speed )
trying the variations :
12'40 / 26'30 ->50.6 , 1'46.8 , 3'29.8 , 7'20.6 , 58'34 , 2"02'03
( that line is similar to komen - for track )
12'45 / 26'30 ->52.5 , 1'49.8 , 3'33.4 , 7'25.8 , 58'10 , 2"00'35
12'50 / 26'30 ->54.4 , 1'52.7 , 3'38.0 , 7'31.0 , 57'49 , 1"59'08
12'40 / 26'20 ->52.1 , 1'49.0 , 3'32.4 , 7'22.8 , 57'50 , 1"59'53
12'45 / 26'20 ->54.0 , 1'51.9 , 3'36.5 , 7'28.0 , 57'28 , 1"58'26
12'50 / 26'30 ->55.8 , 1'54.8 , 3'40.6 , 7'33.2 , 57'04 , 1"56'58
take your pick...