HRE wrote:
I don't recall any criticism of Walker in '76. I know that people wondered how the race would have gone if Bayi had been there and a general belief that he'd have gone out hard and changed the race if he'd been. I recall comments from Walker later on that his legs had begun falling apart that year and he felt lucky to have gotten the race in before they were wrecked.
As it turned out Bayi wouldn't have been there even without the boycott and I don't think anyone thought Boit or Waigwa were real threats to win. And why would you expect the media or anyone (aside from the Letsrun posters who would criticize a cancer cure) to criticize Centrowitz? There were no significant absences from the race. He beat everyone who was considered a serious medal threat.
I believe Walker was diagnosed with that "compartmental syndrome" whereby the capillaries/veins in his legs overexpanded with blood during extreme exertion, causing tremendous pressure on the sheath holding the muscle tissues together, primarily in his shins/calves. Excruciating pain - he could only run up to about 30 minutes before this kicked in. So he adjusted his training to more but shorter sessions per day (3-4) at higher speeds. Prior to this he was more a strength runner without a great kick (think Webb), but afterwards he lost a little of the strength but developed a better kick. Oddly enough, this may have actually helped him win Gold on the typically tactical Olympic finals. I also recall he was relieved he didn't have to face Bayi because he wasn't confident he would have had the strength to hang with a bold pace.
After the games, he had experimental surgery performed that cut slits in the sheath to relieve pressure. That worked well enough that later when Mary Decker was diagnosed with the same, she had the same surgery.
Well, at least that's the story as I remember it.