Koumaria Trail Series 2026

5th KOUMARIA TRAIL SERIES 2026 The "DIAVA" Social Cooperative Enterprise is organizing the 5th Koumaria Trail Series on the weekend of January 31 / February 1, 2026. This is a series of trail running races with six (6) distances: • Back To Back Challenge 60 (20+40km / 4000D+) • KOUMARIA MARATHON (40.5 km / 2550D+) • KOUMARIA TRAIL RACE (22 km / 130