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Scary but powerful training—shall we try Fartlek training? One-point lessons in Ansan and Cheongj...

정석근헬스라이프TV 정석근헬스라이프TV · AUG 21, 2026

This YouTube video has 3 400 views and was published Aug 21, 2026 on 정석근헬스라이프TV. That is 0.5x the channel's average views.

Scary but powerful training—shall we try Fartlek training? One-point lessons in Ansan and Cheongj... ▸ WATCH ON YOUTUBE
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