BK, a dedicated athlete from the Republic of Korea, has been making strides in race walking. He began his athletic journey in middle school, initially competing in the 800m event. However, in grade 11 of high school, he switched to race walking upon his coach's recommendation.

| Season | Event | Rank |
|---|---|---|
| 2021 | Men's 20km Walk | 37 |
| 2016 | Men's 20km Walk | 57 |
BK trains under the guidance of Kim Hyun-Sub, a notable figure in Korean race walking. Kim Hyun-Sub is not only BK's coach but also his idol. Another influential person in BK's career is Shin Il-Yong, a respected Korean race walker.
In 2011, BK sustained an injury to his left thigh. Despite this setback, he continued to pursue his passion for race walking with determination and resilience.
BK's younger brother, Choe Byeongho, also shares his passion for race walking. Choe represented the Republic of Korea at the world junior championships in 2012 and 2014. This family connection has provided BK with a strong support system throughout his career.
In addition to his athletic achievements, BK has pursued further education. He has studied for a postgraduate degree in physical education at the University of Suwon in the Republic of Korea.
Looking ahead, BK aims to compete at the 2024 Olympic Games in Paris. This goal reflects his dedication and commitment to excelling in race walking on an international stage.
BK's journey from middle-distance running to race walking showcases his adaptability and determination. With strong influences and a supportive family, he continues to strive for excellence both on and off the track.
BK, a dedicated athlete from the Republic of Korea, has been making strides in race walking. He began his athletic journey in middle school, initially competing in the 800m event. However, in grade 11 of high school, he switched to race walking upon his coach's recommendation.