13th Kalyvia Olympus Trail Running

13th Kalyvia Olympus Trail Running was a trail running race held in Kalyvia Elassonas, Larissa, Thessaly on 5 Sep 2026. The race offered multiple distances: 12km, 5km. Total ascent is about 700 m. The course took place in the Thessaly countryside, combining natural terrain, elevation, and scenic views. Held in September, it was one of the trail running events in Thessaly for 2026.