Competitions typically take place in two-year age divisions. These age divisions provide young athletes the opportunity to compete with other athletes of similar ability. The age divisions for the 2018 competition year are as follows:
Age Division Year of Birth
7-8 yrs 2012-2013
9-10 yrs 2010-2011
11-12 yrs 2008-2009
13-14 yrs 2006-2007
15-16 yrs 2004-2005
17-18 yrs 2001-2003*
*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 yr divisions through that meet. This extended eligibility does not apply to cross country events.