The Chicago-based 40+ Double Dutch Club has more than a hundred chapters across the country and two internationally. Founder Pamela Robinson says it's about more than just jumping rope.

Sport Climbing is new to the Olympic Games, and seeks to find the best all-around athlete in three very different disciplines. Here's what (and who) to watch.

Naeher was injured in the Olympic semifinal loss against Canada. Naeher landed awkwardly trying to swat the ball away in the first half. She played for a few more minutes and then was substituted out.

Biles looked happy and relieved after dismounting the balance beam, smiling and waving at the crowd to roaring applause. She's still experiencing the "twisties" but has found ways to cope.

Is she the best long jumper of all time? "I am," she says. "Point-blank." Reese doesn't hold the world record, but she's established herself as an extraordinary athlete over a huge number of years.

The world record was absolutely smashed with the fastest field ever to run the men's 400 meter hurdles. Norway's Karsten Warholm took gold and Rai Benjamin won bronze for the U.S.

Hammer thrower Gwen Berry is arguably the most outspoken Team USA athlete on social justice, posting a video accusing the International Olympic Committee of taking advantage of athletes to make money.

Both the U.S. and Japan had been undefeated after going 2-0 to win their groups.

After two star athletes could not outdo one another, an official said they could move to a "jump-off." They had another idea: why not share?

"Thank you to the IOC for living up to the Olympic values and showing that sport is for all and that weightlifting can be done by all types of people," Hubbard said after her competition.

British diver Tom Daley was seen knitting in the stands while watching a women's diving event. He says his stitching work has kept him sane amid Olympic pressures.

Belarusian officials said Kristina Timanovskaya was being sent home from the Olympics because of psychological and emotional problems. She vehemently disputes that account.

Sifan Hassan is going for it: three gold medals in three races. She's already won gold in one of them — the women's 5,000 meter race.

The swimmers are now leaving Japan and the spotlight moves to the track and field events at Olympic Stadium. We'll walk you through the biggest things to watch for until the closing ceremony.

Olympic organizers are under intense pressure to end a ban on protests on the podium at the Tokyo Games. U.S. shot-putter Raven Saunders became the first to defy the ban after winning a silver medal.