Henry Ash is a triathlete who has actively contributed to the development of the non-stop ultra endurance triathlon over the past 25 years. During this time, he has written 19 sports books that have been published worldwide. He is a coach, training companion and motivator for a great many triathletes. He has completed more than 250 triathlons around the world, including the Hawaii Ironman (3 times) and 37 other Ironman competitions.
Marlies Penker has been an enthusiastic triathlete since 1999. Her Ironman personal record is 9:18.49 hours. She has successfully completed all distances from Olympic short distances to Ironman. In addition, she also holds the Carinthian (Austria) Regional Marathon record at 2:45.08 hours.