Ronda Holder is the mother of 15-year-old James Mond III, whose academic apathy and subpar 1.22 GPA proved to be her last straw.

FORBES: Mother Publicly Humiliates Son For Failing Grades: Honk If You Think She's Right

Three time winner Greg Le Mond was thought to have had a Vo2 max of 92.5 at the height of his career - one of the highest ever recorded.

BBC: NEWS | Health | What makes a great Tour rider?