August 20, 2022 - August 21, 2022 Backyard Ultra Thailand by Thaitrektrail (4th Race) Chaturamook Building, Faculty of Agriculture, Khonkaen University, Muang District, Khonkaen Province. 123 ถนน มิตรภาพ Tambon Sila, Mueang Khon Kaen District, Khon Kaen
