> I mean there is probably not a specific rule I could point to that a high school athlete couldn't ride a bike or a motorcycle in a 400m track run either. The

> I mean there is probably not a specific rule I could point to that a high school athlete couldn't ride a bike or a motorcycle in a 400m track run either. There most definitely is such a rule, and there most definitely are people who have tried to do that - and been the cause of the original rule wording ; and others who still have tried to do so by "creatively interpreting" said rule. Have you met humans?