12 eXtremalny Bieg Godzinny

The 12th Extreme One-Hour Run is a unique one-hour race held in Koszalin on a demanding approximately 1-kilometer loop in forest terrain with significant elevation changes and varied ground, including sandy sections. Participants compete to complete as many laps as possible within one hour, and the last lap must be started before the time expires. The race promotes sport, recreation, volunteering, and active tourism, and at the finish line, competitors receive an extremely heavy medal and a drink. The event is organized by the 'SFX' Association and Rozbiegany Koszalin.

Electronic chip timing; medical support from the PCK Rescue Group Koszalin; each participant receives a start number with safety pins; a drink is provided at the finish; the race starts together; participants must complete the last lap started before the one-hour limit; the race is open to individuals aged 18 and over with current medical examinations or a signed declaration. Registration opens on June 6, 2025; the event takes place on sandy terrains in Koszalin; participant limit; ability to complete 1 km within an hour.