# Traffic restrictions in Athens, Kallithea, and Thessaloniki > Live situation record from CLSTR: https://clstr.news/situations/traffic-restrictions-in-athens-and-kallithea > Updated: 2026-10-01T11:39:19.000Z. Sources: 20. Developments: 2. On Sunday, October 4, 2026, major sporting and charity events caused widespread traffic disruptions across Greece. In Athens, the 18th ‘Greece Race for the Cure’—a 5-kilometer run and 2-kilometer walk organized by the Panhellenic Association of Women with Breast Cancer ‘Alma Zoes’ to support breast cancer prevention and awareness—drew over 58,000 participants. This event impacted major arteries including Alexandras Avenue, Patission, Akadimia, Amerikis, Mavromataia, 3rd of September, Marni, and Panepistimio streets from the early morning until approximately 13:00. Simultaneously, the ‘Run Greece Piraeus 2026’ caused traffic interruptions in Piraeus from 07:00 to 13:00, affecting areas such as Grigoriou Lampraki, Akti Moutsoupolou, and Iroon Polytechniou Avenue. The Piraeus event, held for the third consecutive year, featured 10km and 5km races, a children's race, and a Family Run. In Crete, the 11th International Crete Half Marathon in Arkalochori hosted over 6,000 runners from 52 countries. Additional regional activities were noted in Heraklion, Chania, Rethymno, and Sitia. ## Timeline ### 2026-10-01: Athens and Thessaloniki face major weekend traffic disruptions Athens and Thessaloniki face significant weekend traffic disruptions due to religious festivals, the Greece Race for the Cure 2026, and Flyover construction works in Thessaloniki. 18 sources. https://clstr.news/cluster/athens-central-road-closures-scheduled-for-october-weekend ### 2026-09-10: Kallithea traffic restrictions announced for September 13 half marathon Traffic closures and parking bans will affect various streets in Kallithea on September 13 due to the 7th Kallithea Half Marathon 2026. 6 sources. https://clstr.news/cluster/kallithea-traffic-restrictions-announced-for-september-13-half-marathon --- Cite as: Traffic restrictions in Athens, Kallithea, and Thessaloniki. CLSTR, https://clstr.news/situations/traffic-restrictions-in-athens-and-kallithea