Road cycling is endurance sport need a long time working, so an energy consumption for athletes is very big and closely related to their record. The athlete must have good endurance to cycle a 100 km race. If the endurance is not good enough, he will cycle to finish slowly or could not make a sprint before finishing, etc. The research provides information on endurance characteristics of male road cyclists in Ho Chỉ Minh city through professional exercises (cycling test in 20 min) dealing with anaerobic-aerobic-anaerobic-anaerobic ... anaerobic. Thereby, the coaches have exercises in accordance with the above characteristics. Keywords: Athlete, Ho Chi Minh city, Road cycling, Technical endurance