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Iron Girls

Latest episode

S2 E12

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About Iron Girls

Iron Girls is a reality TV series that premiered on tvN on September 7, 2024. It has 3 seasons and 23 episodes so far and is still airing new episodes. The latest episode, Season 2 Episode 12, aired on September 26, 2025.

There is no giving up on these four beautiful actresses. They never met each other yet gathered for one goal: participating in the triathlon, a sport that requires swimming, cycling, and marathon without stopping. They have four months to prepare for a sports event that requires extreme physical strength and strong endurance, but they are new to intense workouts and training. Watch the challenge and passion of the Iron Girls now!

  • Reality

Last updated

Episodes

23 episodes · 3 seasons

Season 1

2024 · 11 episodes · Last episode: 1 year ago

Jin Seo Yeon is known for her passion for working out. She takes care of the team’s mentality and leads the girls. Uie shows how a former athlete is different from ordinary people. Since she used to be a pro-swimmer, her physical abilities are beyond expectations. Park Ju Hyun is the clumsy and the weakest of the members. However, she became passionate as the training continued. Seol In Ah is shy among the members, but whenever the whistle blows, she turns into a Sports Genius and shows off her amazing talents. Former UFC fighter Kim Dong Hyun appears as the captain of this team, and he invites other legendary athletes to get help training the members.

Iron Girls Season 1 release dates →
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    11. The Last Story of Iron Girls’ 4-Month Journey to the World Triathlon Cup Tongyeong

    Finale

    The day of the World Triathlon Cup Tongyeong has finally arrived! The first event of swimming begins with tension. Will Seo Yeon, who has a fear of water, be able to finish the course in 50 minutes? In the second event of cycling, Uie is faced with an unexpected situation and bursts into tears. As soon as Ju Hyun starts cycling, the chain comes off, and she has a mental breakdown. Sports Genius In Ah, who successfully completed swimming and cycling, complains of knee pain while running. How will Iron Girls’ 120-day journey toward the completion of the triathlon end?

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    10. The Last Story of Iron Girl’s Mock Triathlon Competition

    Last week, Iron Girls started their first mock triathlon competition for the first time in their lives. But even the first event of swimming is not easy to complete. Jin Seo Yeon is left alone at the swimming course with only 11 minutes left until the cutoff. What will happen to her? Iron Girls face various difficulties during the 40km-cycling and 10km-running courses. How will they deal with the unexpected situations and excruciating pains? Stay tuned to check out!

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    9. Iron Girls Enter the Samcheok Triathlon Competition

    The high-intensity training for Iron Girls is being revealed! The members go through the harsh training designed for national triathletes. How will the training session end? And Iron Girls are entering the Samcheok Triathlon Competition for real-life experience. What will their records be like after the three months of training? Iron Girls are all set to go, but they are faced with unexpected difficulties. Stay tuned to find out more!

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    8. Iron Girls Challenge the Sammaksa Uphill Course

    With 48 days left until the 2024 World Triathlon Cup Tongyeong, Iron Girls challenge the Sammaksa uphill course with steep slopes! The members have endured all the training sessions bravely, but they end up bursting into tears, dazed by the intensity of the training. How will the grueling training session go? And they try swimming across the Han River for the first time! Stay tuned to check out Iron Girls’ remarkable growth!

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    7. Iron Girl's First Real-Life Practical Training

    The real-life practical training for triathlon begins now! With two months left until the World Triathlon Cup Tongyeong, Coach Heo Min Ho steps up to help Seo Yeon and Ju Hyun, the novices at swimming. A customized training session for Seo Yeon and Ju Hyun takes place at a 5m deep pool! And Iron Girls finally make their 10km marathon debut. What will Iron Girls’ records be like after two months of training?

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    6. The First Open Water Training on Jeju Island

    The last morning of the training camp on Jeju Island! The members go through the first open water training in the natural pool at Panpo Port. With Korea’s first triathlon champion, Coach Heo Min Ho’s special lesson for open water swimming, a new ace swimmer emerges! And the members go for a 5km run again, hoping to shorten their previous records. Stay tuned to check out!

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    5. Jeju Island Training Camp

    The members leave for Jeju Island for a training camp. A special coach to help the members complete the triathlon shows up. Sports Genius Seol In Ah faces a crisis and ends up riding a bike only with one foot. Meanwhile, Uie goes through special training with her personal coach Kim Dong Hyun. After the training, the members go out for a 22km outdoor ride and enjoy an exciting dinner. Stay tuned to check out!

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    4. Outdoor Training

    The members go to Yangpyeong for their first outdoor cycling. Since it’s a practice run, they will take a 15km course and have a hearty meal, the famous cold chicken noodles. Everyone is excited and enjoys the beautiful scenery except for Uie who is still not comfortable riding bicycles. After the cycling, the members are gathered again at a swimming pool, and a relay swimming competition begins. Stay tuned!

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    3. Uie Learns How to Ride a Bicycle

    The members are gathered to train for cycling. After swimming, they need to ride bicycles for 40km. Seo Yeon, Ju Hyun, and In Ah are excited as it’s fun and refreshing to ride bikes. However, Uie must overcome her trauma first to learn how to ride bicycles. A few weeks later, the members are gathered at a CrossFit gym. They try a few exercises that will help them get ready for the triathlon.

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    2. The Training Begins

    The members go to the swimming pool together for the first time. A special coach is invited to help with their training, and the members are tested to see their current level. Even though it was a short training, they improved a lot. After training by themselves for weeks, the members are gathered at the Jamsil Tower. They will do a vertical marathon which is going up 123 floors by stairs.

  11. E1

    1. The Beginning

    Jin Seo Yeon, Uie, Park Ju Hyun, and Seol In Ah will participate in the triathlon for the first time. The members like to work out, and they are somewhat confident about their physical abilities. However, triathlon is a sport that is on another level, and it makes the members nervous and worried. Kim Dong Hyun is here to help the team as their captain and trainer. Stay tuned to check out!

Season 2

2025 · 12 episodes · Last episode: 1 year ago

Uee, Park Ju-Hyun, Seol In-ah, and new member Geum Sae-Rok take on a new physical and emotional challenge: boxing. After conquering a triathlon in season 1, the cast returns under the guidance of MMA fighter Kim Dong-Hyun to face grueling training, mental hurdles, and personal growth inside the ring, showcasing the strength and resilience of women stepping far outside their comfort zones.

Iron Girls Season 2 release dates →
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    12. Episode 12

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    11. Episode 11

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    10. Episode 10

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    9. Episode 9

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    8. Episode 8

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    7. Episode 7

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    6. Episode 6

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    5. Episode 5

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    4. Episode 4

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    3. Episode 3

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    2. Episode 2

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    1. Episode 1

Season 3

This time, it’s a race on the ice. Iron Girls will take on short track speed skating in Season 3. Following the triathlon and boxing.

Iron Girls Season 3 release dates →

Episodes for this season haven't been announced yet.

Cast & crew

Created by Bang Geul-yi

Iron Girls FAQ

When is the next episode of Iron Girls?

A date for the next episode of Iron Girls hasn't been announced yet. Follow Iron Girls in the Streambay app and you'll be notified as soon as a new episode airs.

When did the latest episode of Iron Girls come out?

The most recent episode of Iron Girls, Season 2 Episode 12, aired on September 26, 2025.

How many seasons of Iron Girls are there?

Iron Girls has 3 seasons with 23 episodes in total.

When did Iron Girls first air?

Iron Girls first aired on tvN on September 7, 2024.

How do I get notified when new episodes of Iron Girls are released?

Download the Streambay app, follow Iron Girls, and you'll get a push notification the moment each new episode is released.

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