Yoo Ji-won, a graduate student, collapsed near the finish line of the Seoul Race half-marathon. She received CPR from race staff and was taken to a hospital, where she later died.

Yoo had been running since 2022 and had completed the Seoul Marathon in under three hours. She had over 8,000 followers on Instagram. The cause of her death has not been disclosed. Read more culture coverage.

The Seoul Race, organized by the Seoul Metropolitan Government and Dong-A Ilbo, saw about 12,000 participants. Another runner collapsed nearby but was conscious and treated on site. Related: Patrick Clancy Honors Children in Chicago Marathon.

This original Runner World brief is based on reporting from Marathon Handbook. Visit the source for its complete reporting, context and any later corrections.