Tuna Tunca, an autistic ultra-marathon swimmer, successfully completed the North Channel, the third leg of the Ocean’s 7—considered one of the world’s most difficult open water swimming challenges. The grueling swim took him approximately 16 hours to complete. The Ocean’s 7 is a marathon swimming challenge consisting of seven of the world’s most challenging open water swims. Tunca's achievement highlights his remarkable endurance and dedication. This accomplishment represents a significant milestone for the athlete and raises awareness about the capabilities of individuals with autism. He has overcome considerable obstacles to achieve this feat, inspiring many with his perseverance. The North Channel is known for its cold temperatures, strong currents, and unpredictable conditions.