I just listened to Knox's podcast on the Sweatelite channel. Really well done, and obviously a tremendously bright guy. I've followed him for a couple years in Instagram, and really enjoy his content.
Anyway, my point of the post was that the recent posting of Farah's training 2-3 weeks prior to Chicago is in stark contrast as to what Knox conveyed regarding pace on easy days in his experience with Farah. I think that schedule has been fabricated. You'll like this:
https://itunes.apple.com/us/podcast/sweat-elite/id1326102413?mt=2