long jump, shot put, javelin, etc. go by the English system, I'm wondering
if the metric system is the only official measurement used in the Olympics
(or international track & field competitions), or both systems are used.
Do the official record books also show records in the English system?
And what's the situation in competitions held in the US? Especially like
a high school competition, is the metric system used at all?
Hope some enlightened minds can elighten me on this. Thanks