WATCH: What to Watch in Rio: Day Seven

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RIO DE JANEIRO (WOLO) — It’s more gold for the Team USA swimmers.

Michael Phelps is adding a twenty-second gold medal to his collection.

Phelps blew away his rival, Ryan Lochte, in the “duel in the pool,” with a win in the 200-meter individual medley.  Lochte did not medal.

History was made in the pool Thursday, when Simone Manuel became the first African-American women to win a gold medal in swimming.  She tied with Penny Oleksiak of Canada in the 100-meter freestyle.

Meanwhile in gymnastics, Simone Biles twisted and turned her way to another gold.  Her “Final Five” teammate Aly Raisman took the silver in the women’s individual all-around competition.

They add to Team USA’s medal count, which now stands at 38.   Sixteen of those medals are gold.

China, Japan, Russia and Great Britain round out the top five countries with the most medals.

Michael Phelps has his eye on his twenty-third gold medal, but it’s going to be tricky.

He’s swimming in the men’s 100-meter butterfly Friday.  It’s one of his weaker events at the games.

Reigning champ Katie Ledecky is looking to earn her second consecutive gold medal in the women’s 800-meter freestyle final.

Madeline Dirado also wants back on the podium when she competes in the women’s 200-meter backstroke final Friday.

We’re headed back to the green, with golf back in the Olympic games for the first time in more than one hundred years.

Track and field is off and running Friday.  The first medals on the track will be handed out after the women’s 10,000-meter race.