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The most beloved international road race in Athens, right by the sea, is back!
The 2026 International Poseidon Half Marathon opens its registrations on Sunday, August 24, 2025, giving runners from around the world the chance to secure their spot in a unique seaside race!
With multiple routes for all ages and fitness levels (Half Marathon, Quarter Marathon, 5km Road Race & 5km Power Walking, Kids’ Race and Charity Run), the Poseidon Half Marathon is a celebration of sports, culture, and environmental awareness.
Stay tuned to our official pages for details, registration instructions, and all the surprises we’re preparing for 2026!
Don’t miss the date – Sunday, August 24, 2025, at 12 noon we begin!
Thank you!