 Nyorai mberi kweiyi ndima - Christiansen akakwikwidza mumitambo mina yeParalympics kutanga muna 2000muSydney, kuAustralia uko akapedza ari wechitanhatu mukubaya chibhakera kwevatambi veF44. Akazovandudza izvi, achikunda ndarama muna 2004 mukirasi yeF4446 uye muna 2008 mukirasi yeF44. Akakundawo menduru mbiri dzesirivha mudhisiki, mukirasi yeF4446 muna 2004 uye mukirasi yeF44 muna 2008. Akakunda menduru yegoridhe yeF4244 kupfura ku2012 Summer Paralympics muLondon. 