An Se-hyeon

In July 2021, she represented South Korea at the 2020 Summer Olympics held in Tokyo, Japan. She competed in the women's 100 metre butterfly and 4 × 200 metre freestyle relay events.^[2][3] In freestyle event, she did not advance to compete in the semifinal.^[4] In the freestyle relay event, the team did not advance to compete in the final.^[5]

• An Se-hyeon at World Aquatics
• An Se-hyeon at SwimRankings.net
• An Se-hyeon at Olympics.com
• An Se-hyeon at Olympedia
• An Se-hyeon profile at 2020 Summer Olympics at the Wayback Machine (archived July 29, 2021)

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