Episode 1
Four runners are taking on a marathon in pursuit of their own goals. There are only 50 days left. The first step toward finishing.
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OnDemandKorea
Checked 09/29/2026 · United States catalog · account required.
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Cast
Park Sung-kwang
박성광
2 episodes
Song Il-gook
송일국
2 episodes
Song Hae-na
송해나
2 episodes
Bae Yoo-bin
유빈
2 episodes
이연진
2 episodes
황영조
2 episodes
6 people — scroll sideways
Episodes
Season 1 — 2 episodes · from 10/25/2025
Page 1 of 1 · Episodes 1–2
Episode 2
The much-anticipated marathon day! The goal for everyone is to finish! But the 42.195 kilometers aren’t easy. Can they really make it?
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Stills (1)
Images © their respective rights holders · Source: Poster: TMDB