A graduate student at the Korea Advanced Institute of Science and Technology who also participated in running-related social media died after collapsing near the finish of the 2026 Seoul Race half-marathon, according to an October 13 Maeil Shinmun account. The newspaper said the runner collapsed roughly 500 metres before the finish during the October 11 event.
Tributes followed from people familiar with the student's research and running activities. The available report does not establish a medical cause of death or show that a particular response decision contributed to the outcome. Any conclusions about event safety must await verified medical and organizational details.