Extensive traffic restrictions are in effect in Athens and Kallithea today due to a test run for the 2026 SNF Nostos Run, featuring races of 10km, 6km, and 1km for Special Olympics athletes. The Hellenic Police (EL.AS) is implementing these measures to facilitate the event. Multiple roads have been closed to vehicular traffic to accommodate the races and ensure athlete safety. Motorists are advised to avoid the affected areas and seek alternative routes. The closures are temporary and related specifically to the duration of the races. Further details regarding specific road closures are available from local authorities. The event serves as a preparation for the larger SNF Nostos Run scheduled for 2026.