Anna Hall dominated from start to finish to win her first heptathlon world title with a 6,888-point performance at the World Track and Field Championships in Tokyo on Saturday.

The 24-year-old became the second American to earn the title, joining mentor Jackie Joyner-Kersee, who won the event for a second time in 1993. Joyner-Kersee, who also two Olympic gold medals, was on hand in Tokyo to support Hall.

"It means so much," Hall told NBC Sports' Lewis Johnson. "Ever since I came on the circuit and won my first medal, that's been something I've been trying to do. Jackie and I have talked about it, and we were like, ‘The USA does make great heptathletes.' It means the world to be able to bring the title back home where it belongs."

Hall led after four events on Day 1 and capped the grueli

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