Boys Outdoor 110m Hurdle Records

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110 meters is just 10.7" more than 120 yards; so NO differentiation exists in "hand-times", but metric  performances do take precedence over yard marks with same time Hand-times are carried for historical comparative purposes by applying 0.24 "standard differential" factor, thus: 13.5 "hand" - 13.74 Auto-time

Auto-times-in 100ths-are ranked in positions of relative value by applying 0.24 "standard differential factor", thus: 14.2 "hand" = 14.44 Auto-time...and...WIND-AIDED marks listed only when superior to athlete's best "legit" mark!