B1A4's Sandeul Joins Marathon for Cancer Awareness, Impresses Fans with Youthful Appearance

B1A4 member Sandeul recently shared an update on his healthy lifestyle.

On October 9th, Sandeul posted on his Instagram, "Exercise beats cancer!! I attended the OncoRun haha. It was a time where I could feel the warmth of many people's hearts!!❤️" along with several photos.

The photos show Sandeul participating in a marathon organized by a cancer hospital. Fans were amazed by his youthful appearance, commenting, "Is this your look from your 2011 debut?", "Were you just born?", "Are you a high school student?", and "You seriously look like you did during your debut at the Idol Star Athletics Championships..."

Sandeul, born in 1992, is 33 years old this year. He debuted as the main vocalist of B1A4 in 2011, marking his 14th anniversary this year. Just a year after his idol debut, he ventured into musical theater and is now a 13-year veteran in the field.