Dhameystir weedha soo socota: Kalmer wuxuu ku dhashay aagga Roodepoort ee Johannesburg. Biladaheedii ugu horreeyay ee caalamiga ah waxay ka timid 1997 African Junior Athletics Championships, halkaas oo ay ku guuleysatay billad naxaas ah labadaba 1500 m iyo 3000 mitir. Iyada oo ah orodyahanka da'da yar waxay ku tartantay 1998 World Junior Championships ee Ciyaaraha fudud iyo dhacdada World Cross Country laga bilaabo 1996 ilaa 1999. Markii ugu horeysay ee ay ka soo muuqato tartanka caalamiga ah ee heerka sare waxay timid laba sano kadib: waxay gashay kaalinta 30-aad tartankii gaagaaban ee
2001 IAAF World Cross Country Championships wuxuuna ku tartamay 1500 m heerkulka 2001 World Championships ee Ciyaaraha fudud. Waxay sidoo kale ku dhameysatay kow iyo tobnaad ee 5000 mitir ee 2001 Summer Universiade. Waxay ahayd abaalmarinta dahabka ee FISU World University Cross Country Championships sanadkii 2002, iyadoo ka dambaysay Denisa Costescu. In ka badan 5000 m waxay ahayd tii siddeedaad ee 2003 Summer Universiade, sagaalaad ee 2007 All-Africa Games iyo lixaad ee 2008 African Championships.