In "You have to run to live," an unexpected situation occurs when Yulhee temporarily collapses during a marathon due to dehydration.

The 9th episode of the special program on MBN for its 30th anniversary, airing at 8:20 p.m. on the 14th, features the "Running Crew" making its debut at a trail running competition held in Jeongseon, Gangwon Province, where they struggle with a "tail-catching" mission.

On this day, the "Running Crew" receives a "tail-catching" mission where they can snatch one MVP badge from the person right in front of them during the half marathon, leading to a fierce competition. In particular, Yulhee, who finished first among women and third overall, runs desperately to avoid losing her badge. During the race, however, she suddenly shows symptoms of dehydration and sits down. Shortly after, she confesses in an interview with the production team, "I over-paced on the mountain trail earlier. I was really struggling, whether it was dehydration or low blood pressure. Everything went dark in front of me, and it felt like hell."

As interest grows around whether Yulhee can get back up and finish the race, Ace Lee Jang-jun races ahead from the start. Feeling light on his feet, Lee Jang-jun confidently states, "I will accomplish something today!" and, "The Sydney marathon is in sight!" He further accelerates when hitting the forest trail, explaining, "Actually, I grew up in the Sobaeksan National Park area and played in the mountains a lot," revealing he comes from a "forest-advantaged" background. Ultimately, he uses the momentum from the mountain path to sprint on flat ground and catches up to Cha Eun-woo, who started 10 minutes earlier in the "A Group." Meeting Cha Eun-woo, he casually greets, "Hello!" while Cha Eun-woo remains unfazed, exuding flawless looks.

The first challenge for the "Running Crew" at a trail running competition will be revealed in the 9th episode of MBN's "You have to run to live," airing at 8:20 p.m. on the 14th, showcasing what kind of results Lee Jang-jun, who has displayed unprecedented training outcomes, and Yulhee, who said she "tasted hell," will achieve through trail running.

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