Kipsang is a great athlete and apart from Kipchoge, he comes second as my favorite marathon runner. But here he is really misinformed. The idea to not go with the Kipchoge is borrowed from last year's New York marathon where either by inability or tactic he did not go with Geoffrey Kipsang Kamworor when Kamworor tore the field with a 4:38 mile. As we know despite Kamworor getting a big margin lead of maybe over 20 seconds, he almost got beat by Kipsang who came back very strongly at the end. The man in New York was Kamworor who only has a personal best of 2:;06:12 and who had never won a marathon before NYC marathon 2017. Here Kipsang is racing Kipchoge who has won 9 out of 10 marathon races he has raced in and whose personal best at 2:03:05 is faster than Kipsang's(2:03:13). Secondly, front running has always worked best for Kipsang.
Now lets say that Kipsang goes ahead to effect his plans. All Kipchoge needs to do is to talk with his pace makers and have two of them do most of the work in the early stages then the third one can push him to around 35K. From there Kipchoge will be able to cruise to the world record. Kipsang's planned tactic could work only if he were better at finishing than Kipchoge. But as we know, he is not. Expect 2:02:30 or faster for Kipchoge whether or not Kipsang goes out with him.