Poseidon Athens Half Marathon 2026-04-26 5km|10km|21km|Relay Athens Faliro Bay / Greece Visit Event Website → About This Event Location Athens Faliro Bay Country Greece Date 2026-04-26 Distances 5km|10km|21km|Relay Why This Event 17th edition flat coastal race raising diabetes awareness with music along Poseidonos Avenue and eco-friendly initiatives More Runs in Greece View all runs in Greece