Buuxi weedha soo socota: Heiner wuxuu ku dhashay Shellharbour, New South Wales 15 May 1987. Waxay si dhab ah u bilaabatay orodka 2002; iyadoo 17 jir ah, waxay u matalaysay Australia orodka 1500 mitir ee 2004 World Junior Championships ee Grosseto, laakiin waxaa laga saaray wareegga koowaad. Ciyaarihii Dhalinyarada ee Barwaaqo-sooranka ee bishii Diseembar 2004 waxay ku guuleysatay dahabka 3000 mitir iyo naxaas 1500 mitir. Sannadkii 2005, waxay ahayd horyaalkii Australia ee ka hooseeyay 20 jirka ee waddanka oo ay kaalinta 16aad ka gashay tartankii da'yarta ee
Horyaalka Adduunka ee orodka dalka ee Saint-Galmier. Waxay mar kale ku tartantay Tartanka Adduunka ee Cross Country sanadkii 2006, markan waxay gashay kaalinta 18-aad tartanka dhalinyarada, laakiin waxay seegtay IAAF World Junior Championships dabayaaqadii sanadkaas dhaawac awgiis. Waxay baratay farmashiyaha mana ku soo laaban rikoodhka ka dib markii ay ka soo kabatay dhaawaca.