Series synopsis
Iron Girls, also known as 무쇠소녀단 is a South Korean reality television series that premiered on tvN on September 7, 2024. It was created by Bang Geul-yi. It stars Kim Dong-hyun, Seol In-a, Uee and Park Ju-hyun.
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!
Premise
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!
Premise: The journey to become the real Iron Girls begins now!
Cast and characters
Leading cast
- Kim Dong-hyun as Self
- Seol In-a as Self
- Uee as Self
- Park Ju-hyun as Self
- Jin Seo-yeon as Self
- Keum Sae-rok as Self
- Heo Min-ho as Self
- Yeon Woo as Self
Supporting cast
- Han Ji-hyeon as Self
Episodes
This series spans 4 seasons with 25 episodes.
| Season | Episodes | First aired | Last aired |
|---|---|---|---|
| Season 0 | 2 | November 12, 2024 | November 19, 2024 |
| Season 1 | 11 | September 7, 2024 | November 16, 2024 |
| Season 2 | 12 | July 11, 2025 | September 26, 2025 |
| Season 3 | 0 |
| Episode | Title | Air date |
|---|---|---|
| 1 | Episode 1 | November 12, 2024 |
| 2 | Episode 2 | November 19, 2024 |
| Episode | Title | Air date |
|---|---|---|
| 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! |
September 7, 2024 |
| 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. |
September 14, 2024 |
| 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. |
September 21, 2024 |
| Episode | Title | Air date |
|---|---|---|
| 1 | Episode 1 | July 11, 2025 |
| 2 | Episode 2 | July 18, 2025 |
| 3 | Episode 3 | July 25, 2025 |
Production
Release
| Original network/platform | tvN |
|---|---|
| First aired | September 7, 2024 |
| Last aired | September 26, 2025 |
| Runtime | 90 minutes |
| Status | continue |