This study aims to identify the Chronological analysis of 20km race walk stages “Tokyo 2020" as an indicator for endurance training , the researchers used the descriptive method- Chronological analysis, the research sample consisted of athletes participating Tokyo 2020 in 20km race walking , the researcher used SPSS version 28 in processing data and in statistical analysis , the researcher reached prediction ratio of digital records depends on race stages also they reached the speed ratio approach in 20km race walking . The researcher has found that the players used multiple strategies during the race stages based on long-term endurance training, whether in 20 km , and these methods and strategies helped the players to avoid early fatigues and finish the race well. The researcher recommends the use of long endurance training, high intensity interval training, and fartlek training for joggers during training units and increasing the volume of endurance training.