Ultra Świr Jesienny Trail is a late-autumn mountain running event in Ptaszkowa, Poland, featuring two trail races: a 15.5 km option and a 25 km option. Both routes are rated RMT2, indicating they are short, steep mountain courses rather than flat paths with some dirt.
The 15.5 km race involves a 650-meter climb, while the 25 km race climbs 1,250 meters with an average gradient of 5%. Fields are small, with dozens of finishers, and the winning times reflect the courses' difficulty: approximately 1 hour 20 minutes for the shorter race and just under 3 hours for the longer one. The event is included in the Ranking Biegaczy Górskich, Poland’s mountain running ranking system.