Patrick Lange (German: [ˈpatʁɪk ˈlaŋə]; 25 August 1986) is a professional duathlete and triathlete from Germany. He is the 2017 Ironman World Champion and the 2018 Ironman World Champion both times breaking the course record. Lange is also the 2010-2013 German champion in duathlon and the 2012 and 2013 German champion in team triathlon with . In 2008 Lange won the military world championships team Triathlon in Estonia and made Bronze in the ITU Duathlon Short Distance World Championships mixed team 2012 in Nancy (France). Lange starts for DSW 1912 Darmstadt. His trainer is Faris Al-Sultan.