The aim of this study was to clarify the characteristics of 100-m hurdles performance in female athletes, spanning from the world-record time to the 18-s range. Video data were randomly selected from internet broadcasts, covering race times from 12.12 s to 18.98 s, from international and national competitions held between 1987 and 2024. Time for each hurdle section from start to finish was measured, along with the total number of steps. Maximal running velocity occurred in the 4th and 5th hurdles (H4-5) for athletes at the world-class and national championship levels, similar to the finding for a 100-m sprint race around the 50-m mark. Conversely, athletes at the regional competition level tended to show maximal running velocities in the early sections of the race (H1-2 or H2-3), followed by a decrease in velocity. Across all groups, the ratio of running to hurdling time in the shortest interval section was consistently approximately 60%-40%. In the final section (H9-10), running time increased in the 17-s and 18-s groups. Sprinting ability and step count are crucial factors in determining race patterns. Athletes with more than 35 steps in total were limited to performances in the high 15-s range.
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