Methodology:
All hand-timed performances are given a penalty of 0.24 seconds after conversions. (NFHS Method)
No consideration is given to wind due to lack of wind instrumentation prior to 2024.
All track performances since the meet's inaugural year in 1980 were metric. No conversions were required.
ht-symbol indicates original performance was hand-timed. Hand timing penalty of 0.24 seconds is added in equivalent result.
sf-symbol indicates performance is from semifinal.
R-symbol means performance was a meet record at that time.
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