tag:blogger.com,1999:blog-6734734314641145473.post5346161094898831404..comments2023-09-13T06:45:29.062-05:00Comments on Run in America!: Why a sub-two hour marathon is inevitableMark U.http://www.blogger.com/profile/04792726660751354015noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-6734734314641145473.post-1064770084362435712014-10-03T09:10:26.616-05:002014-10-03T09:10:26.616-05:00I think what we are missing here is temperature an...I think what we are missing here is temperature and humidity for the preceding twelve races not to mention any other variables. Is this part of a cycle? Has anything like this happened in the past 50 - 100 years? Can any of this be attributed to training breakthroughs or other breakthroughs? Anonymousnoreply@blogger.com