An American women!
YES!!!
As of 2017 she worked as a recruiter for a health care company. She is married to Ryan Willis. She lives in Conifer, Colorado.
On 4-6 October 2016, she completed a 80-mile (128.7 km) crossing of Lake Powell along the Utah-Arizona border from Bullfrog to Wahweap in 56 hours 5 minutes 26 seconds at the age of 34.
Thomas completed a 104.6 mile (168.3 km) solo open water swim in Lake Champlain where she started on 7 August 2017 in island loop route at Rouses Point, New York, proceeded south and around Gardiner Island near Charlotte, Vermont, and returned to the start in 67 hours 16 minutes 12 seconds on 9 August 2017.
https://en.wikipedia.org/wiki/Sarah_Thomas_(marathon_swimmer)
Somehow, I got the impression that she was British.
Wow!
My great Uncle, a great swimmer, died crossing Lake Champlain between Orwell, VT and Crowne Point, NY in the 1930s.
They think he got cramps. How does this woman avoid such things?