Great story - thanks for posting - and apropos that you posted it since my first pair of running shoes were Nike Daybreaks that I purchased in 1979 to run off the first year law school blues in Charlottesville ... good times
They show that in a really good bio movie on Steve Prefontaine's life called "Prefontaine". R. Lee Ermey plays Bowerman. http://www.imdb.com/title/tt0119937/