26:45-50 (subtract about a second a lap for runners born/raised closer to 8,000 ft and running at 5,500 ft). This race wasn't rabbited, so it is clearly not the fastest they could have run at that altitude, even if they did alternate pacing. No question that running at 5500 ft makes a big difference for non-altitude runners. I dropped 25 seconds per mile from 11M tempo at that altitude to race at sea level for a half. But it is different when you are coming down in altitude from even higher, and these guys have not had any sea level 10k's below 26:50, nor 5000m races under 13(?). So, I'm not going to just grant them a world record level. Kamworor was pivoting to the track for the 10k in Eugene, so I don't think that was his best. He looked very sharp here. He can break 26:30 now.
Farah Assessment wrote:It would take 26:2x fitness to outmuscle Farah, and this guy hasn't shown us that
simple logic dictates that for even an altitude born guy, there has to be an altitude clocking that equates to a 26'20 at sea-level
if you don't think it is 27'11A, then suggest a number...