2006 wuxuu arkay guushii ugu horeysay ee Mannio ee ka dhanka ah tuureyaasha qaangaarka ah, maadaama uu ku guuleystay billad naxaas ah 2006 Finnish Championships. Si kastaba ha noqotee, inkasta oo uu galay Koobkii Adduunka ee Junior ee ka dhacay Beijing, Shiinaha, isagoo ahaa hogaamiyaha adduunka ee da'yarta, waxaa si qanciya ugu garaacay finalka Robert Oosthuizen oo u dhashay Koonfur Afrika. Sannadkii xigay, wuxuu mar kale ku guuldareystay inuu ku guuleysto dahabka caalamiga ah inkasta oo uu helay dhibcaha ugu fiican; gelitaanka Horyaalka Yurub ee U23
Debrecen, Hungary oo ah ninka kaliya ee garoonka ku jira ee jabiyay 80 mitir, Mannio si dhib yar ayaa looga saaray billadaha oo dhan waana inuu ku qanacsan yahay kaalinta 4aad.