The Junior Olympic National Championships is the culmination event for the competitive season. The competition features twelve age divisions (Junior A, Junior B, Junior C, Junior D, Junior E, Junior F, Senior A, Senior B, Senior C, Senior D, Senior E and Senior F), which are determined by birthdate. These gymnasts are vying to become Junior Olympic national champions in the all-around, as well as in all four events: vault, uneven bars, balance beam and floor exercise.