Rubuta ci gaba don wannan sakin layi - Heymans ya wakilci Namibia sau da yawa, ciki har da 1991, 1995, 1999
da kuma wasannin Afirka na 2003. Ya kuma yi gasa ga kasarsa a Wasannin Commonwealth na 1994, 1998, 2002 da 2006. Game da Wasannin Olympics na bazara, Heymans ya halarci wasannin Olympics na 2000, 2004 da 2008. A wasannin na 2008, Heymans shi ne mai dauke da tutar kasar a bikin bude wasannin. Heymans ya lashe gasar cin kofin Transalp Mountain Bike na farko a shekarar 1998 sannan kuma na farko Absa Cape Epic a shekarar 2004.