Tuhia he tomokanga mō tēnei wāhanga - Heymans has represented Namibia numerous times, including at the 1991, 1995, 1999
me ngā kēmu katoa o Awherika 2003. I whakataetae hoki ia mo tona whenua i nga Taakaro Commonwealth 1994, 1998, 2002 me 2006. Mo nga Orimipia Raumati, kua uru a Heymans ki nga Orimipia Raumati 2000, 2004 me 2008. I nga keemu 2008, ko Heymans te kaikawe haki o te whenua i nga huihuinga whakatuwhera. I wikitoria a Heymans i te whakataetae tuatahi o te Transalp Mountain Bike i te tau 1998 ka wikitoria i te Absa Cape Epic tuatahi i te tau 2004.