At the 2008 Summer Olympics in Beijing, Endresen originally won the bronze medal as part of the Norwegian team in team jumping, together with Morten Djupvik, Geir Gulliksen, and Tony Andre Hansen. However the Norwegian team lost its bronze medal and finished tenth following the disqualification of Tony Andre Hansen. 
"Equestrians grab some glory". Aftenposten. 2008-08-18. http://www.aftenposten.no/english/sports/article2601326.ece. Retrieved 2008-08-18.
- ↑ "Stein Endresen". Beijing Olympics. Yahoo! Sports. http://sports.yahoo.com/olympics/beijing/NOR/Stein+Endresen/210878. Retrieved 2008-08-18.
- ↑ http://www.cbc.ca/sports/amateur/story/2008/12/22/equestrian-medals.html