Is my bmi effecting my running?

Question

im 14 and i have a bmi of 17.53 which means im under weight is this effecting my preformance in runnning.last time i ran half a mile i ran it in 2.58minutes. if my bmi is effecting my speed wat speed could i possibly get if i was a normal size.

Answer 1

I'm not sure if it does affect your time when you run. Having a low BMI means that you have fewer reserves of energy in your body than most people but I think that that will only be a problem if you run longer distances.

Answer 2

TBH the BMI system is not always effective. I am also considered underweight with a BMI of 16.89 but I am perfectly healthy and also 14. Since you are only 14 and therefore not fully developed weight wise I wouldn't worry too much about being underweight, the BMI system is mainly for adults even then Johnny Wilkinson, that very healthy rugby player is considered clinically obese.

I doubt it will affect your running, I run as well, eating carbohydrates will probably help your time, there are also specially formulated energy foods designed to give athletes an energy boost before their race, Lucozade do a go range.

Answer 3

bgibbs is right.

Most of the top runners would be light weight with low bmi.

You are lucky. Just keep eating well.

Answer 4

skinny ankles put on some weight rat boy

Answer 5

You'd have more speed for short distance if you had more leg muscle.  Otherwise a low BMI shouldn't hurt your running as long as you eat enough to keep your energy up.

Answer 6

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Answer 7

I am the same,  but mine is a lower BMI but i dont seem to have any problem. Maybe you don't have any energy when you run because when you are smaller you cant store as much. I eat loads of food often so i dont have a problem.

Good luck and i hope your size isn't ruining your running :(