 Rambai muchinyora ndima ino - Heymans akamiririra Namibia kakawanda, kusanganisira pa 1991 World Cup, 1995, 1999 uye 2003 All-Africa Games. Akakwikwidzawo nyika yake ku1994, 1998, 2002 uye 2006 Commonwealth Games. NezveMitambo yeOlympic yeZhizha, Heymans akapinda mumitambo yeOlympic yeZhizha ya2000, 2004 na2008. Mumitambo ya2008, Heymans aive mutakuri wemureza wenyika pamhemberero dzekuvhura. Heymans akahwina mujaho wekutanga weTransalp Mountain Bike mu1998 uyezve yekutanga Absa Cape Epic muna 2004. 