In the WSJ, there is followup column to Kevin Helliker's article about how American road race times are so slow nowadays.There is a possible explanation no one thought of the original thread. I had to chuckle at this quote:
Some young people said that baby boomers had wrecked the economy, creating so competitive a market for today's college graduates that few had time for endurance training. "Everybody I know is just struggling to get a job, much less train for a marathon," said Tyson Hartnett, a 27-year-old entrepreneur, writer and sales professional.
Helliker's new article is here:http://online.wsj.com/article/SB10001424052702304171804579123661553124776.html?KEYWORDS=KEVIN+HELLIKER
The original discussion of his first article is here:http://www.letsrun.com/forum/flat_read.php?thread=5405848