On March 25, 2026, Shim Euddeum updated Instagram with exciting news — she completed her first 10K and shared the joy with fans. Flashing a bright smile, the fitness star posed with her running partner. Snapped on a bridge with nature as the backdrop, the photos capture the healthy, energizing vibe of her everyday life. Fans flooded the comments with support like "Congrats on your first 10K!"