Jan Sibbersen

Jan Sibbersen is a Dutch long distance swimmer who has completed several notable swims, including the Kona Ironman. He is known for his endurance and innovative approach to open water swimming. Jan has competed in numerous Ironman events and has set multiple records in the process. He is also a strong advocate for open water swimming and has written extensively on the topic. Jan's approach to swimming emphasizes the importance of comfort, technique, and mental toughness. He is widely respected in the swimming community for his achievements and his contributions to the sport.