5K Sprint Challenge Participants swim a 5-kilometre race, cutting through calm waters with strong undercurrents. Open to both professional athletes and experienced amateurs. 10K Endurance Race A gruelling 10-kilometre course designed for elite swimmers. The route circles the volcanic islands, with a midway checkpoint on Nea Kameni. Prizes: 1st Place (10K Endurance Race): N$10,000 + […]