They don't, at least not directly.
But anyone good enough to compete in the Olympics can probably pick up a sponsorship deal or two, and get payed from there.
Mark Harmon never was an Olympic gold medalist. You may be confusing him with Mark Spitz who WAS an Olympic gold medalist swimmer in the 1972 Olympics.
Tara lipinsky
Steve Furniss, a 1972 Olympic bronze medalist and co-founder of TYR Sport
paul hamm
Michael Phelps
Mark Spitz!
yes
Nebraska
Phi Beta Kappa
athens
usa
Cody Allison