age-grading Welcome! › Forums › Running Forum › age-gradingThis topic contains 0 replies, has 1 voice, and was last updated by sueruns 9 years, 10 months ago.Author PostsMay 15, 2008 at 2:55 pm #8079 suerunsMemberwhere in the world do they come up with these figures? ???Author PostsYou must be logged in to reply to this topic.