XL kmrun - Бонсови поляни

XL kmrun – Bonsovi Polyani is a November race in the XLkmrun calendar, organized by 5kmrun. It takes place in the Lyulin Mountain area and the iconic Bonsovi Polyani locality on the outskirts of Sofia. Participants can choose between three distances—short, medium, and long—allowing runners with different levels of preparation and ambitions to take part. The event is part of a series of races offering varied courses and running conditions in the natural surroundings of Sofia.

The race will take place in a natural setting with mountainous terrain; registration details and fees have not been specified. The date is November 22, 2026.