Ultra CK Maraton

Ultra CK Marathon is a demanding ultra race of approximately 51 km with around 1,520 m of elevation gain, held in Kielce. The event also offers shorter races: Czarci Oddech, 15 km with 422 m of elevation gain, and the MTB cycling route Upiorna Trzydziestka, 30 km with 828 m of elevation gain. The event is aimed at enthusiasts of challenges and varied forms of sporting suffering, and is organized by the Świętokrzyskie Mountain Biking Association MTBCross Kielce. The start and race office are located at Hala Legionów in Kielce. Participants in the longest-distance race must carry mandatory safety equipment.

The race office is open on 5.01.2026 at Hala Legionów Kielce from 17:00 to 20:00, and on race day from 6:00. The cutoff for all distances is 18:00/18:30. Mandatory equipment for ultra-race participants: a headlamp, an NRC emergency blanket, a charged mobile phone, identification, and clothing suitable for the weather. The race office is located at Hala Legionów, ul. Leszka Drogosza, Kielce. Participants in Piekielna Pętla are required to carry safety equipment, including a headlamp, an NRC emergency blanket, and a charged phone. Details of the 2027 edition are not confirmed in the available information.