Emily von Jentzen
She holds several Montana Masters pool swimming records and is a USA Triathlon Level I Certified Coach and a USA Swimming Level I Certified Coach.
On 31 August 2011, von Jentzen swam across the 55-mile Lake Chelan in Washington State, U.S.A. in 36 hours. Her unprecedented charity swim was called A Lakke for Katelyn, a fundraiser for Katelyn Roker who is battling Stage 4, a high-risk neuroblastoma. She raised US$8,500 for a 5-year-old with acute high risk nueroblastoma.
In 2010, von Jentzen became the first woman to swim 30 miles, the length of Montana's Flathead Lake, in 18 hours 30 minutes. In addition to setting her first world open water swimming record, she also raised US$9,500 to help pay medical expenses for Karmyn Flanagan, a 3-year-old child battling leukemia.