Itämeri Maraton

The Baltic Sea Marathon is run and walked on Saturday, October 4, 2025. The race options are marathon, half marathon, and quarter marathon (10.5 km). The official race time for the full marathon is six (6) hours, and for the half marathon and quarter marathon, 5.5 hours. The route is officially measured, and the start and finish areas are located at Keskuskoulu, Halmstadinkatu 2. Pre-registration ends on Tuesday, September 30, 2025, at 24:00.