After winning The Biggest Loser, Cahill worked as a motivational speaker for four years and, with his wife, Darci Cahill, wrote a book about his weight loss in 2012, Losing Big: The Incredible Untold Story of Danny and Darci Cahill.

The Reality of the Biggest Loser on August 15, 2025. With three total episodes, the docu-series focuses on NBC reality show The Biggest Loser participants.

The Reality of the Biggest Loser," Danny Cahill shares his experience with the show. He shares how life is for him now.

The Biggest Loser alum Tracey Yukich said that she “died” while running a mile on the beach as part of her first challenge on the NBC reality show’s eighth season.

The Reality of the Biggest Loser alum, Rachel Frederickson, lost a remarkable 59% of her body weight, from 260 to 105 pounds, winning the series in 2014.

After winning The Biggest Loser, Frederickson continued to work as a voice-over actress. In her Today essay, she wrote that she was taking college classes, volunteering at a local shelter, training for her first marathon and starting a new career at a job search website.