Dave Scott, an American triathlete, holds the record for the most Ironman wins with six victories.

Mark Allen, an American triathlete, is the only person to win the Ironman World Championship four consecutive times, from 1989 to 1992.

Paula Newby-Fraser, an American triathlete, is known as the 'Queen of Kona' for her eight Ironman World Championship victories.

Kristian Blummenfelt, a Norwegian triathlete, is the youngest triathlete to win the Ironman World Championship, at the age of 24 in 2021.

Jan Frodeno, a German triathlete, holds the world record for the fastest Ironman time, with a finishing time of 7:35:39 at the 2016 Ironman World Championship.

Chrissie Wellington, a British triathlete, is the only person to win the Ironman World Championship in both the men's and women's categories, achieving the feat in 2007 and 2008.

Daniela Ryf, a Swiss triathlete, has won the most Ironman 70.3 World Championships, with five victories from 2014 to 2018.

Jan Frodeno, a German triathlete, is the only person to win the Ironman World Championship, the Ironman 70.3 World Championship, and the ITU World Triathlon Series in the same year, achieving this feat in 2015.

James Lawrence, an American triathlete, is known as the 'Iron Cowboy' for completing 50 Ironman triathlons in 50 consecutive days in 2015.

Jan Frodeno, a German triathlete, is the first person to break the 8-hour barrier in the Ironman World Championship, with a finishing time of 7:51:13 in 2016.

Daniela Ryf, a Swiss triathlete, holds the record for the most Ironman 70.3 wins, with 24 victories as of 2022.

Alistair Brownlee, a British triathlete, is the only person to win the Ironman World Championship and the Olympic gold medal in the same year, achieving this feat in 2016.

Dave Scott, an American triathlete, is known as the 'King of Kona' for his six Ironman World Championship victories and his dominance in the sport during the 1980s.

Dave Scott, an American triathlete, is the first person to win the Ironman World Championship three consecutive times, from 1980 to 1982.

Daniela Ryf, a Swiss triathlete, holds the record for the most Ironman 70.3 World Championship podium finishes, with 10 podium finishes from 2014 to 2022.