India, July 23 -- A 43-year-old millionaire and father of three from Westport, Connecticut, died after taking part in a mountain endurance challenge in Wyoming, according to a New York Post report. Slava Leykind died on July 2 at a hospital in Idaho, just days after joining the "Everesting" challenge at Snow King Mountain in Jackson Hole.

Born in Minsk in 1982, Leykind moved to the US in 1988. He had a business degree from the University of Michigan and spent 20 years working at CG Sawaya Partners, an investment firm in . He lived in Westport with his wife, Amy Keller Leykind, and their children, Charlotte, Eloise, and Jonah, according to the Mirror report.

The event challenges participants to climb a total of 29,029 feet, the same heig...