8 & Under.............................2020-2018
9-10 .....................................2017-2016
11-12 ...................................2015-2014
13-14................................... 2013-2012
15-16 ...................................2011-2010
17-18 ...................................2009-2008
*Athletes must be at least (7) years of age by December 31st of the current year in order to be eligible to compete at the National Junior Olympic Championships.
** Athletes who are still 18 through the final day of the USATF National Junior Olympic Track & Field Championships are eligible to compete in the 17-18 division. This extended eligibility does not apply to cross country events.