You know Katie Ledecky, Simone Biles, Allyson Felix and the other household names competing in the Summer Olympics.

Before the opening ceremony Friday marks the official start of the Games, get to know the teenage athletes who could medal in Tokyo and contend for titles for years to come.

1. Katie Grimes, 15 

Country: USA

Event: Swimming

About: At the young age of 15, Katie Grimes was the breakout star at the U.S. Olympic Swim trials. She’ll be competing in the women’s 800-meter freestyle in Tokyo alongside highly-decorated Olympian Katie Ledecky. Grimes is the youngest swimmer to make the Olympic team since Ledecky in 2012. Even Ledecky is already singing Grimes’ praises, saying she’s “the future,” and “the now.”

2. Athing Mu, 19

Country: USA

Event: Track and Field

About: Fresh off of breaking the Olympic Trials track record in the 800-meter dash, Athing Mu is being touted as the country’s next great middle-distance runner. Mu, who competed at Texas A&M before turning pro this summer, holds NCAA records for both the 400 meters (49.57) and the 800 meters (1:57.73). In regards to feeling pressure as a running prodigy, Mu says, “I take everything that people say lightly. I don’t let it get to my head.”

19-year-old @athiiing sets the Trials record and punched her ticket to Tokyo! 🎟@usatf | #TrackFieldTrials21 x #TokyoOlympics pic.twitter.com/luuwJoUHnS

— #TokyoOlympics (@NBCOlympics) June 28, 2021

3. Hannah Roberts, 19

Country: USA

Event: Cycling

About: BMX Cycling is making its Olympic debut in Tokyo, and so is Hannah Roberts. Roberts is a highly decorated star on the BMX freestyle circuit. In 2019, she won all three World Cup events in addition to her second world championship. Roberts is a gold-medal favorite in her event in Japan, and she could become the first teenage woman to win an Olympic cycling medal.

4. Hend Zaza, 12

Country: Syria

Event: Table tennis

About: Representing Syria, 12-year-old Hend Zaza is set to be the youngest Olympian in 52 years. She’s also beating the odds: Zaza has been able to participate in only two or three external matches a year due to war. If you haven’t watched table tennis before, Zaza’s stellar talent will make you want to follow this Olympic sport in Tokyo.

5. Torri Huske, 18

Country: USA

Event: Swimming

About: Having just graduated from high school and heading to Stanford next year, Torri Huske managed to break the 100-meter butterfly record twice at the Olympic swimming trials last month. Twenty-four hours after she broke the U.S. record in prelims by .20 seconds, she broke her own record again. Starting off as a “normal little kid who worked hard,” she will now be one of 11 teenagers to compete for the U.S. swimming team in Tokyo.

6.Grace McCallum, 18

Country: USA

Event: Gymnastics

About: Grace McCallum was named to the four-person team representing the U.S. at the Summer Olympics following the national trials in June, an achievement that seemed nearly impossible when she broke her hand earlier in the year. McCallum, who had already competed at the U.S. Classic and the National Championships, finished fourth at the Olympic Trials. The 18-year-old’s specialties include uneven bars and balance beam.

7. Caroline Marks, 19

Country: USA

Event: Surfing

About: Surfing standout Caroline Marks took the world by storm in 2018. In her breakout year, as the youngest surfer ever to qualify for the Women’s Championship Tour, Marks was named Rookie of The Year and finished with a No. 7 world ranking. Now ranked sixth on the Championship Tour, Marks spoke with Just Women’s Sports about her rapid ascension to the top of her sport.

It's not long before 19-year old @Caroline_Marks3 makes her debut on the global stage. Surf fans everywhere are in for a treat.
Video: Swellshotz pic.twitter.com/ulyQ2E9OJ8

— World Surf League (@wsl) July 16, 2021

8. Kokona Hiraki, 12

Country: Japan

Event: Skateboarding

About: At the age of 12, Kokona Hiraki will be one of the host country’s youngest and most admired stars. After ranking fifth at the final Tokyo Olympics qualifier for women’s park skateboarding, Hiraki will now be the youngest Japanese Summer Olympian ever. Her dedication to her craft is next level: After practicing a nosegrind trick over and over again, Hiraki wrote, “You can feel all the things I love about skateboarding through this trick. The unstableness from being just on the front truck on the coping, the sound of grinding, and the satisfaction when you make it.”

9. Nevin Harrison, 19

Country: USA

Event: Canoeing

About: Canoe sprint world champion Nevin Harrison is heading to the Tokyo Olympics with high expectations. In 2019, she became the first American to win a world sprint canoe title by clinching the women’s C1 200-meter event. Harrison is also a strong advocate for women’s canoeing’s inclusion in the Olympics, saying, “I think it’s more important to have every group represented rather than having a lot in just one gender or discipline,” Harrison said.

10. Sunisa Lee, 18

Country: USA

Event: Gymnastics

About: After coping with family illness, COVID-19 related deaths, and injury, Sunisa Lee claimed a coveted spot on the U.S. women’s gymnastics team by finishing in the top two at the Olympic trials. “It’s the unparalleled mental strength that she has shown during the most difficult time of her life that makes her the person she is,” said 2008 All-Around champion Nastia Liukin. Lee, whose parents emigrated from Laos, will be the first-ever Hmong American Olympic gymnast. While she’s an incredible all-around talent, she’s especially known for her bar routine.

11. Sky Brown, 13

Country: Great Britain

Event: Skateboarding

About: Sky Brown is arguably one of the biggest and brightest stars of any age at this year’s Olympics. At just 13 years and 11 days, she’ll be the youngest Summer Olympian for Great Britain. A fearless and promising athlete, Brown is currently ranked fourth in the world and is highly respected in the skateboarding community. “She could definitely be one of the best female skaters ever… she has such confidence, such force, even at such a young age. The way she’s able to learn new tricks and the way she absorbs direction, it’s so rare,” said skateboarding legend Tony Hawk.

Sky Brown 🇬🇧 wins gold in Women’s Skateboard Park at #XGames 2021! pic.twitter.com/LcGC5OqENB

— X Games (@XGames) July 16, 2021

12. Jessica and Jennifer Gadirova, 16

Country: Great Britain

Event: Gymnastics

About: 16-year-old twin sisters Jessica and Jennifer Gadirova will be each other’s support systems in Tokyo, as they will represent half of Great Britain’s four-person gymnastics team. Jessica flourished at the 2021 European Championships, where she won the bronze in the all-around and silver in vault, and she became the European champion in the floor exercise. Jennifer, a strong vaulter and floor gymnast, is known for her difficult tumbles and eye-catching choreography.

13. Viktoria Listunova, 16

Country: Russia

Event: Gymnastics

About: The postponement of the 2020 Olympics allowed 16-year-old Russian gymnast Viktoria Listunova to be eligible for the 2021 Olympics. “It’s such an opportunity, it is such a big chance,” Listunova says. She is determined to make the most of this opportunity and is considered a possible contender to upset world champion Simone Biles.

14. Rosalie Boissoneault, 18

Country: Canada

Event: Synchronized Swimming

About: A native of Québec, Canada, Rosalie Boissoneault joins the Canadian synchronized swimming team as one of its newest members. She is making her Olympic debut at just 18 years old after joining the senior national team in 2020. Starting in her sport at the age of 3, Boissoneault is a young star looking to make a splash in Tokyo.

15. Rayssa Leal, 12

Country: Brazil

Event: Skateboarding

About: Another young Olympic phenom and friend of Sky Brown is Brazilian skateboarder Rayssa Leal (pronounced “Hi-ee-sa”), known for her many viral trick videos. She is currently second in the World Street Skateboarding rankings. Giving props to her supportive family, Rayssa says, “they don’t pressure me to always win and be first, they encourage me to do what I like, which is skateboarding.”

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16. Regan Smith, 19

Country: USA

Event: Swimming

About:  Regan Smith, the current world-record holder in the women’s 200-meter backstroke, is heading to her first Olympics to represent Team USA. This young star showed off her talent during the World Championships in 2019, where she broke two world records: the 100- and the 200-meter backstroke. Smith will be taking a gap year and plans to attend Stanford in 2022.

17. Brighton Zeuner, 17

Country: USA

Event: Skateboarder

About: Zeuner is coming to the Olympics as a decorated skater with serious competitive chops. She’s the youngest recipient in history to have won two X Games gold medals, and she also holds a Vans Park Series World Championship title. Her great passion and love for skateboarding pushed her to keep going and get her to where she is now. ‘”I love it. Because of skateboarding, I’m kind of who I am. I get validation out of it. It makes me feel human. It’s just a part of me,”’ Zeuner said.

18. Hailey Hernandez, 18

Country: USA

Event: Diving

About: Hailey Hernandez started competing right out of high school and surprised the diving world by placing second in the women’s three-meter springboard at the Olympic trials. “When I hit that water, I knew that I had done it and so I just had the biggest smile on my face,” Hernandez says. Her hometown in Southlake, Texas, threw the two-time World Junior Championship silver medalist an epic Olympic send-off event and will be rooting hard for her this summer.

19. Gaurika Singh, 19

Country: Nepal

Event: Swimming

About: Nepali swimmer Gaurika Singh will represent her country both in the pool and as the flag bearer. The 19-year-old was the youngest athlete at the 2016 Rio Olympics at 13 years and 255 days, and she was chosen to lead the five-member Nepali team in the opening ceremony this year. Singh has collected over nine medals during the South Asian Games and set a record for the most gold medals in 2019.

20. Oceana Mackenzie, 19

Country: Australia

Event: Sport Climbing

About: Australian sport climbing star Oceana Mackenzie will help introduce this new Olympic sport to the world. She started climbing at age of 8 and has been passionate about it ever since. “I love how it’s mentally and physically challenging,” she says. “I have to see the climbs and figure out how to get up them — it’s almost like working out a puzzle.”

When San Diego's home match against the Washington Spirit ended in a 0-0 draw on June 22nd, the NWSL officially pressed pause on the regular season, entering an extended summer break as international tournaments kicked off around the world.

And while the US club league has dimmed its lights before — most recently during the 2024 Paris Olympics — this is the first year it's ever stopped play to accommodate major regional competitions like Copa América, WAFCON, and UEFA Women's Euro 2025.

Why the new approach? The league's global presence has never been stronger. And that's not just because high-profile players like Naomi Girma and Crystal Dunn swapped their NWSL jerseys for European kits earlier this year. It goes the other way, too. Once an assumed stronghold for homegrown talent, the NWSL has diversified its ranks, with top players heading overseas this window.

US broadcasters buy into growing Euros interest

No event has showcased this shift greater than the European Championship. The tournament was once siloed away from the average Stateside soccer fan. But this year, 18 NWSL players representing 12 countries are Switzerland-bound — three-times the number playing in England just three years ago.

And fans are ready to dig in. The 2025 Euros will be the most accessible in history, with FOX Sports recently doubling down on broadcasting the competition in the US.

The network has committed to 31 matches, including 19 games on linear TV and every knockout round match. It will also provide pre- and post-game analysis, aiming to develop a major market player while riding out the sport's popularity boom.

With increased visibility and plenty of familiar faces, NWSL fans are set to become Euro 2025's prime audience. And for players, showcasing the league's impact shapes the perception of football in the US, allowing the NWSL the opportunity to strengthen its reputation despite never taking the pitch this July.

Euros stars say perceptions of the NWSL are shifting

Only one NWSL player featured on England's 2022 Euros-winning roster. That was Houston forward-turned-defender Rachel Daly, before she returned to the WSL and retired from international play. 

That number tripled in 2025, after Gotham FC defender Jess Carter, Spirit defender Esme Morgan, and Pride goalkeeper Anna Moorhouse were called up to the Lionesses's title defense in Switzerland.

It's not Carter's first Euros, but this will be the first year she joins from an NWSL team. An England mainstay since her 2017 senior debut, she said she never felt like a move to the US would jeopardize her national team standing. Just so long as her performance stayed consistent.

"People were probably apprehensive about coming here before, because it's so far away from your family and friends," Carter told Just Women's Sports. "But also because the NWSL was traditionally known as just a transitional league. And to a lot of people in Europe, it wasn't technical enough."

Carter isn't alone in her assessment. Both Morgan and Moorhouse told JWS they were familiar with the NWSL's reputation as a "kick and run" league. Though that stereotype didn't match their experiences on the ground.

"Most [NWSL] teams are trying to play possession-based football, albeit a little more direct than Europe," Morgan said. "I think that's far more exciting to be a part of, and also more challenging as a defender because there are such fast transitions."

"The league is changing here in the US," echoed Carter, who departed Chelsea for Gotham in 2024. "It's becoming more technical."

NWSL play helped Morgan secure her spot with England

That hybrid style — plus more starting opportunities — have bolstered Morgan's status with England. Coach Sarina Wiegman already knew the Manchester City product as a powerful line-breaker on the ball. And her ability to wear down the low block while holding the lion's share of possession has only improved. 

"I felt confident coming here," she continued. "As long as I continued to work on the things that I wanted to improve, and every weekend was putting in good performances for the Spirit, that would be enough to put me in the running for selection."

The NWSL's speed has also elevated her play. "[Wiegman] has spoken to me the last couple of times about being really pleased with what I've been able to do, in terms of being a little bit more aggressive, proactive, physical in my duels, and winning aerial balls," she said. "I've developed so much in that space since playing in America."

Both Morgan and Carter competed with England at the 2023 World Cup, 30-year-old Moorehouse is gearing up for her first major tournament with the national team. And coming from an Orlando side stacked with international talent — namely Brazil legend Marta and Zambia superstar Barbra Banda, among others — the goalie credited her NWSL team for keeping her on her toes every day.

"Marta humbles me on a daily basis, I'm not gonna lie," she laughed. "To see that day in-day out, it's only for the better. It's only going to improve my game."

Summer NWSL schedule benefits Euros-bound players

As coveted national team roster spots reflect both consistency and form, NWSL players have a quiet advantage. Thanks to the summer NWSL schedule, they're guaranteed to be completely match-fit going into any major tournament.

That the NWSL runs opposite to the more traditional fall-to-spring European setup has sometimes been a point of tension overseas. This was especially true in past years, when the league did not suspend regular-season play for more than a weekend or two during longer international windows. That practice forced previous Euros competitors to choose between club and country. 

This year, however, players view the cross-conditioning to be as much of an asset as an anticipated challenge when they return to finish out the season.

"I spoke to quite a few of the US girls in the past about the fact that the summer schedule might have helped their performance in international tournaments," said Morgan, pointing out the NWSL-heavy USWNT's major tournament success.

"I feel like I'm peaking at the right time, going into the tournament in midseason," echoed Moorhouse, who is set to serve as backup to Chelsea goalkeeper and presumptive England starter Hannah Hampton.

Learning to balance club and country

Still, there are downsides. It's not always easy to travel in and out of market ahead of a big international opportunity, but each player finds their own way to stay on top of whichever task is in front of them, whether at home or abroad.

Sometimes that divide between club and country is literal. "We have a [NWSL] team app where we have communication," Gotham and Germany goalkeeper Ann-Katrin Berger told media after her Euros call-up. "I was like, 'Look, if you need something, you have to text me on WhatsApp. Because this app is not working for me when I'm at the international break, and the same way around.'"

For Carter, the NWSL's schedule helps her compartmentalize, keeping her laser-focused on both individual and team goals.

"I'm someone that either is all in or all off," she explained. "I've got to make sure that I'm still eating right, training right, when all I want to do is sit by the beach and have an ice cream."

"I want fans to fall in love with women's football even more"

Carter and Berger aren't the only Gotham standouts packing their passports this month. Star forward Esther González is also committed to play for the always-dangerous Spanish national team. Fellow forward Jéssica Silva will represent Portugal and recent signing Josefine Hasbo is set to join Denmark. And the excitement is palpable, both on and off the pitch.

"It's really great to see that our fans get to support us even whilst we're not at Gotham. Because they're invested in us as people, not just Gotham," says Carter. "I want fans to fall in love with women's football even more, regardless of where it's being played."

As for Morgan, she could be battling against the Spirit's newest signing, Italy's Sofia Cantore. The rest of their teammates will definitely be watching from home — along with a very special guest.

Before Morgan left, her teammates assured her they would be up in the morning cheering her on. "And mak[ing] my kitten watch too, which is very cute," she added.

She said she likes imagining NWSL fans following their favorite club players through the tournament, staying engaged in the game even as the league takes a break.

Encouraging NWSL fans to watch the 2025 Euros

Moorhouse echoed Morgan's hope that the Euros will allow US fans to continue weaving women's football into their lives during the downtime.

"In the US, when I get up on a Saturday morning, all the games are on," she said, referencing the time change. "To me, that's so cool. I'm eating my breakfast, drinking my coffee, and I've just got football on the telly."

"Go and get your breakfast," she urged. "Get your pancakes. And watch some good football."

The third Grand Slam of 2025 is officially underway, as the world's top tennis stars hit the grass courts in London for the annual Wimbledon Championships on Monday.

World No. 16 Barbora Krejčíková enters as the Slam's reigning champion, with all of the WTA's current Top 10 — none of whom have ever won at Wimbledon — looking to dethrone the 2024 victor.

No. 3 Jessica Pegula looks to be an early frontrunner, as the US star picked up steam following her defeat of No. 4 Iga Świątek 6-4, 7-5 in Saturday's championship match of the 2025 Bad Homburg Open, a Wimbledon tune-up tournament.

A 2023 Wimbledon quarterfinalist, Pegula has already earned three titles this year, gaining significant momentum as she hunts a career-first Grand Slam trophy.

"[Pegula has] an amazing game, and showed it throughout the tournament," Świątek said following Saturday's loss. "Hopefully, we will have many more finals together."

The first day of 2025 Wimbledon action saw No. 1 Aryna Sabalenka cruise through her first-round match against Canada's No. 194 Carson Branstine in straight sets, while No. 8 Madison Keys battled to a narrow three-set victory over Romania's No. 58 Elena-Gabriela Ruse.

Fellow US contender No. 12 Amanda Anisimova played the most dominant first-round match of the Slam, ousting Kazakhstan's No. 33 Yulia Putintseva 6-0, 6-0 to open her tournament run.

Italy's No. 5 Jasmine Paolini, a 2024 Wimbledon finalist, also kicked off her 2025 run with a win, downing Latvia's No. 402 Anastasija Sevastova in three sets on Monday afternoon.

Pegula will open her campaign against Italy's No. 116 Elisabetta Cocciaretto on the second day of first-round action at 6 AM ET, with Świątek, 2025 French Open champ No. 2 Coco Gauff, and 2024 Wimbledon quarterfinalist No. 10 Emma Navarro also rounding out Tuesday's bill.

How to watch the 2025 Wimbledon Championships

The 2025 Wimbledon women's tournament runs through the July 12th championship.

Live continuous coverage of the London Grand Slam airs on ESPN.

The Minnesota Lynx are back on the prowl, after the return of MVP frontrunner Napheesa Collier from injury fueled the WNBA-leaders to two straight weekend wins.

Minnesota first outlasted the No. 4 Atlanta Dream 96-92 in overtime on Friday before thumping the last-place Connecticut Sun 102-63 on Sunday, with Collier racking up 49 points over the two-game span.

Collier's bounce-back couldn't have come at a better time, as the WNBA announced Sunday that the Lynx forward will captain the 2025 All-Star Game alongside Indiana Fever guard Caitlin Clark.

"It's really cool," Collier said of the news. "I went from never being a starter to captain."

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Both Collier and Clark will have an early chance to test their leadership skills in Tuesday's 2025 WNBA Commissioner's Cup championship game, when the defending champs Minnesota Lynx will take on first-time finalists Indiana.

With a second straight title on the line, red-hot Minnesota hold the advantage coming into the Commissioner's Cup final, but a healthy Clark could make all the difference for up-and-down No. 8 Indiana.

Meanwhile in the WNBA standings, as the Lynx continue to hold court at the top, this weekend saw the Mercury overtake the Liberty at No. 2, thanks in large part to Phoenix's 106-91 Friday victory over New York.

Along with Sunday's 90-81 loss to the Dream, the reigning champs have dropped five of their last seven games, as now-No. 3 New York struggles without injured center Jonquel Jones.

How to watch the 2025 WNBA Commissioner's Cup final

While the other 11 league teams rest until Thursday, the Minnesota Lynx and Indiana Fever will take Tuesday's court in a battle for the 2025 WNBA Commissioner's Cup.

The in-season tournament's grand finale will tip off at 8 PM ET, with live coverage on Prime.

The world No. 1 USWNT earned another lopsided result against No. 25 Ireland on Sunday, handing the Girls in Green a second straight 4-0 loss despite extensive lineup changes on both sides.

Veteran forward Lynn Biyendolo opened the scoring in her first match as USWNT captain, followed by first-ever senior team goals from both debutant defender Izzy Rodriguez and attacker Yazmeen Ryan.

Second-half USWNT sub Alyssa Thompson found the back of the net in the 86th minute to finish padding the 4-0 scoreline over Ireland.

With one more friendly against No. 8 Canada set for Wednesday, USWNT head coach Emma Hayes rotated all 11 starters on Sunday, trusting bubble players to overcome inexperience to produce a result.

"The level has been set to be relentless in the pursuit of performing and progressing," Hayes said after the game. "It's not about understanding everything in our playbook, but developing the confidence and bravery to deliver."

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The victory also marked the USWNT's 600th program win, with midfielder Sam Meza joining Rodriguez in picking up the 23rd and 24th first caps of the Emma Hayes era.

"I feel like everyone is not only trusting the process, but carrying out all the things we ask them to do," said Hayes of her new additions. "Everybody showed themselves so well."

Though the US keeps stretching its depth and coming out on top, the need to develop strong connections on the pitch could force tough roster decisions in the future.

How to watch the USWNT vs. Canada on Wednesday

The USWNT will cap their three-friendly summer break against rivals Canada on Wednesday at 7:30 PM ET.

Live coverage of the clash in Washington, DC, will air on TNT.