tag:blogger.com,1999:blog-6942096022967831214.post1248766291003705215..comments2023-11-05T16:42:17.352+09:00Comments on Dave Elger on Running, Racing and Training: Marathon Running Linked to Heart ProblemDave Elgerhttp://www.blogger.com/profile/08651669505384580445noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-6942096022967831214.post-33327161825316697152011-07-13T11:07:57.069+09:002011-07-13T11:07:57.069+09:00I have read many articles and some of them are abo...I have read many articles and some of them are about the health hazards of running. Eventually many says that it is a risky thing to always join marathon's but their are also some article states that only for those people who are not physically fit this health hazards applies.Marathon 5khttp://www.spartanrace.comnoreply@blogger.com