Home / Fun Runs / Bulgaria Sofia 4 fun runs in Sofia. October 2025 1 runs Trail & Nature 12 OCT Wizz Air Sofia Marathon Sofia · Bulgaria Road RaceMountain 21–42K November 2025 1 runs Night & Party 29 NOV The Big Tech Run Sofia Sofia · Bulgaria Trail RunNight Run 5–10K June 2026 2 runs Trail & Nature 27 JUN Ultra-Trail Vitosha 2026 Sofia · Bulgaria Trail RunMountain 99K Trail & Nature 27 JUN Ultra-Trail Vitosha Sofia · Bulgaria Cultural HeritageMountain 99K