Complex sentence: Dougie Isaacs won the title in 2010,2011,2013 and 2014, making him the champion with the most world titles in the competition's history, and in 2014 he also won the Wales Open with a throw of 120m, the longest recorded throw in open competition.
Split into simpler sentences: Dougie Isaacs won the title again in 2010,2011,2013 and 2014, making him the champion with the most world titles in the competition's history. In 2014 he also won the Wales Open with a throw of 120m, the longest recorded throw in open competition.