Whakaotihia te rerenga e whai ake nei: I tutuki i a ia tetahi mahi pai mo te hawhe marathon i te whakataetae Roma-Ostia i te Hui-tanguru 2005, e rere ana i te 1: 13:15 ka mutu ko ia te kaihauturu ki a Rosaria Console. Ko tetahi atu tino pai i puta i te Turin Marathon i te Paenga-whawha, i reira ko tana wa o te 2:33:16 i kawea mai e ia te tuawha. Nā ana mahi i whiwhi ai a Mancini i tana kōwhiringa ā-motu tuatahi <unk> i te
2005 IAAF World Half Marathon Championships i mutu ia i te whakataetae i te 51 o nga waahi. I mutu ia i taua tau me te wha o nga waahi i te Venice Marathon.