Caroline Buchanan
... that 2012 Olympic BMX rider Caroline Buchanan was one of Australia's best BMX riders in 2008 but could not compete in Beijing because her youth made her ineligible?
... that <a href="./Cycling_at_the_2012_Summer_Olympics_–_Women's_BMX" id="mwD9Q" rel="mw:WikiLink" title="Cycling at the 2012 Summer Olympics – Women's BMX">2012 Olympic BMX rider</a> <b id="mwD9U"><a href="./Caroline_Buchanan" id="mwD9Y" rel="mw:WikiLink" title="Caroline Buchanan">Caroline Buchanan</a></b> was one of Australia's best BMX riders in 2008 but could not compete in <a href="./2008_Summer_Olympics" id="mwD9c" rel="mw:WikiLink" title="2008 Summer Olympics">Beijing</a> because her youth made her ineligible?