He learned the rowing club " Emscher " pan - Eickelmann - Herten rowing and won initial success quickly. In 1995 he became junior world champion in the eighth, a year later, together with Ulf Siemes Junior Vice World Champion in the coxless pairs.
In 1997 he drove in his first race at the Rowing World Cup in Munich with a U23 selection to third place, the boat qualified for the Nations Cup and won the U23 World Champion title in the eighth. In 1998 Heidicker was used in the World Cup and won the conclusion of the season in four without Jens Kleinschmidt, Alexander Palfner and John Rothe silver at the Nations Cup.
In 1999, he qualified in the quad together with Philipp Stüer, Stefan Heinze and Dirk Meusel for the World Championships in St. Catherines, but there missed the finals, finishing in seventh place.
The following year, missed the quad, in the now rowed instead of Heinze Jörg Dießner, with two seventh places in the World Cup, the direct Olympic qualification. Only Dießner and Meusel were nominated Heidicker took however as a substitute in the Olympic Games in Sydney in part.
2001 Heidicker could finally secure a permanent place in four and won as a hitter with Sebastian Thormann, Paul Dienstbach and Philipp Stüer silver at the World Championships in Lucerne. In the same cast the boat in 2002 in Sevilla won at the World Championships the title and put it up today valid world record of 5:41,38 minutes. The following year, the team won bronze at the World Championships in Milan.
At the Olympic Games in Athens Jochen Urban replaced the recently diseased Paul Dienstbach. Although the team drove a new Olympic record in the run, the boat reached by Bernd Heidicker only the B-final, but could this win and thus came in seventh place.
2005 Heidicker took for Cambridge University, where he studied the meantime, the Boat Race in part, but lost to the aft of Oxford. The rest of the season, he paused and stood in 2006 at the World Cup in Munich together with Philipp Stüer in two without again internationally in appearance. For the third World Cup of the year, both had passed to Germany eight, with Heidicker as a hitter the team at Eton could be world champion. A year later led Heidicker the eighth at the home World Championships in Munich on the silver medal.
After weak inputs in two and poor World Cup results of the rowing eight before the Olympic Games in Beijing Heidicker lost his place in the stern, as the German Rowing Association was formed a completely new team just before the Olympics. He then ended his rowing career.
Currently Bernd Heidicker drives in the Rowing league in the aft of the RV Emscher pan - Eickelmann.