Season 1
11 listed episodes · First aired September 7, 2024

Season overview
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.
Episodes
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…
E2The Training BeginsThe 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 i…
E3Uie Learns How to Ride a BicycleThe 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 traum…
E4Outdoor TrainingThe 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…
E5Jeju Island Training CampThe 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…
E6The First Open Water Training on Jeju IslandThe 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 …
E7Iron Girl's First Real-Life Practical TrainingThe 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 trai…
E8Iron Girls Challenge the Sammaksa Uphill CourseWith 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 int…
E9Iron Girls Enter the Samcheok Triathlon CompetitionThe 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 Tria…
E10The Last Story of Iron Girl’s Mock Triathlon CompetitionLast 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 wit…
E11The Last Story of Iron Girls’ 4-Month Journey to the World Triathlon Cup TongyeongThe 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 …