Lee Yoo-yeon

In October 2018, he represented South Korea at the 2018 Summer Youth Olympics held in Buenos Aires, Argentina. He competed in 50m freestyle, 100m freestyle, 200m freestyle and mixed 4 × 100m freestyle relay events. In the 50m freestyle heats event, he completed at rank 9, allowing him to advance to compete in the semifinal.^[1] In the 50m freestyle semifinal event, he completed at rank 8 with Robin Hanson.^[2] In semifinal swim-off against Robin, he completed at rank 2 hence did not advance to compete in the final.^[3] In the 100m freestyle heats event, he completed at rank 1, allowing him to advance to compete in the semifinal.^[4] In the 100m freestyle semifinal event, he completed at rank 3, allowing him to compete in the final which he completed at rank 5.^[5][6] In the 200m freestyle heats event, he completed at rank 7, allowing him to compete in the final which he completed at rank 8.^[7][8] In the freestyle relay event, the team did not advance to compete in the final.^[9]

In July 2019, he represented South Korea at the 2019 Summer Universiade held in Naples, Italy. He competed in the 50m freestyle, 100m freestyle, 200m freestyle, 400m freestyle, 4 × 100m freestyle relay, 4 × 200m freestyle relay and 4 × 100m medley relay at the .^[10][11] In the same month, he represented South Korea at the 2019 World Aquatics Championships. He competed in 4 × 200m freestyle relay, the team did not advance to compete in the final and qualify for the 2020 Summer Olympics which are awarded to top 12 teams in the standings.^[12]

In July 2021, he represented South Korea at the 2020 Summer Olympics held in Tokyo, Japan.^[13] He competed in 4 × 200m freestyle relay event. The team did not advance to compete in the final.^[14]

• Lee Yoo-yeon at World Aquatics
• Lee Yoo-yeon at SwimRankings.net
• Lee Yoo-yeon at Olympedia
• Lee Yoo-yeon profile at 2020 Summer Olympics at the Wayback Machine (archived July 30, 2021)