Grad Stari Grad, Splitsko-dalmatinska županija · Friday, May 15, 2026
The UltraSwim 33.3 #12 Croatia is a 33.3k, plivanje (swimming), and ultramaraton (ultra) event held on Friday, May 15, 2026. It is located at 18-19 Trg Stjepana Radića in Grad Stari Grad, Splitsko-dalmatinska županija.
Mountain and coastal ultra trail races through Dalmatia, Croatia, featuring multiple distances from 10K to 105K through UNESCO World Heritage landscapes.
Welcome to the arena of running: when Emperor Diocletian meets... your calves! 🦵
The Run Club Split launched in April 2025 along Croatia's Adriatic coast with a mission to strip running back to its essence: movement without pressure. Founded on the belief that kilometers are just numbers, this crew welcomes runners of every level, pace, and background. With no competition, no gatekeeping, and no barriers to entry, The Run Club Split has built a warm, honest community where runners match each other's stride and cheer each other forward. Three weekly touchpoints anchor the habit: Tuesday evenings at Žnjan City Beach, Wednesday runs finishing at Bar Sistema, and Saturday mornings at UTOPIA Specialty Coffee Shop. Running here means finding freedom, discipline, and resilience among people who get it.