[1] Having started BMX racing at age fifteen, Horakova has claimed numerous Czech national titles, eight European championship titles (a conglomerate of under-12, junior, and elite), and more importantly, two bronze medals in the women's elite category at the UCI World Championships (2002 and 2007).

[2][3] She also represented her nation Czech Republic at the 2008 Summer Olympics, and has been racing professionally for most of her sporting career on the Suzuki-RB Team, before signing an exclusive, three-year sponsorship contract with Duratec in 2010.

[4] Horakova qualified for the Czech squad, as a lone female rider, in women's BMX cycling at the 2008 Summer Olympics in Beijing by receiving an automatic berth from the Czech Cycling Union based on her top-ten performance at the UCI BMX World Rankings.

[5] After she surprisingly grabbed an eighth seed on the morning prelims with a time of 38.077, Horakova could not match a stellar ride in her semifinal heat with 16 positioning points and a fifth-place finish, narrowly missing out the top-eight final by a two-point deficit.

[6][7][8] In September 2011, Horakova had tested positive for the banned substance clenbuterol while participating in fourcross mountain biking at the World Championships.