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Carroll joins Jimmy Johnson and Barry Switzer as the only coaches to win both a college football national championship and a Super Bowl.

He is one of four head coaches — Barry Switzer, Jimmy Johnson and Jim Harbaugh are the others — to have led teams to a college national championship and a Super Bowl appearance.

Still, when Samuelson beat Waitz in Los Angeles, running in prime time during a race that was beamed to television viewers around the world, “that was the game-changer,” Switzer, the first woman to run Boston as an official competitor, told Mertens.

Instead she was running in the wake of pioneers such as Kathrine Switzer, Bobbi Gibb and Waitz.

The only three to win a national championship and Super Bowl are Jimmy Johnson, Barry Switzer and former Trojans coach Pete Carroll.