Saifi's first major international success came at the 2011 IPC Athletics World Championships in Christchurch, where she entered both the discus throw and the shot put. O le manuia muamua a Saifi i le lalolagi atoa, na oo mai i le 2011 IPC Athletics World Championships i Christchurch, lea na ia auai uma ai i le togiina o le tisiketi ma le fana. E ui lava ina faaiu lona iva i le fana, ae na ia togiina se mamao e 40.99 mita e manumalo ai i le pine auro, o se faaleleia o le silia ma le ono mita i lana Beijing sili ona lelei. O le tausaga na sosoo ai na auai ai o ia i le 2012 Paralympics
i Lonetona, ma manumalo ai i le auro i le fesiitaʻiga o le tisiketi, ma avea ai o ia ma siamupini o le Lalolagi atoa ma siamupini o le Paralympic.