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#CoachLeeYeonJin #DrillWorkout #Running Hello. This is SEAN. I and many other participants are preparing hard for the Dongma. Dongma is just 2 days away. Today, I invited a new guest to provide better information for those who are interested in running. The most important thing for any exercise is injury prevention and improving records. There are many exercises for running, such as LSD and interval training, but today's exercise is the WARM UP drill exercise, the most important training for the basics of running. Above all, it is the training that is most effective in managing pace throughout the marathon, so I covered it in more detail than usual. Are you curious about what kind of exercise it will be and who the guest will be? Then let's check out the details in the video!