2026 Qufu Marathon (qufumarathon.com) — ~69k admin records forum claim (unverified)
Data compromised
Alleged administrative backend records (fields not independently verified)
Technical writeup
Unverified leak-site / forum claim: a threat actor alleged unauthorized access to the administrative backend of Chinese marathon platform qufumarathon.com and circulation of an admin-oriented dump. LeakRadar indexed a public “qufumarathon.rar” corpus on 16 July 2026 with about 69,137 records (~3.56 MB). CrimeState/forum discussion and dark-web intel posts echoed the same listing. The named operator had not confirmed the incident at indexing time; treat counts and contents as actor/indexer claims only.
Root cause
Unverified forum claim — alleged admin backend compromise (not company-confirmed)