Masters M40 110 metres hurdles world record progression
This is the progression of world record improvements of the 110 metres hurdles M40 division of Masters athletics.
;Key:
| Hand | Auto | Wind | Athlete | Nationality | Birthdate | Location | Date |
| 13.73 | -0.5 | David Ashford | 24.01.1963 | Carolina | 11.07.2003 | ||
| 13.96 | 0.0 | Karl Smith | 15.09.1959 | Brisbane | 12.07.2001 | ||
| 14.16 | 0.7 | Carlos Sala Molera | 20.03.1960 | Castellon | 15.08.2000 | ||
| 14.24 | Stan Druckrey | 10.08.1948 | Eugene | 30.07.1989 | |||
| 14.37 | 0.4 | Herbert Kreiner | 22.07.1955 | Wels | 31.08.1996 | ||
| 14.55A | -0.5 | Colin Williams | 14.02.1953 | Provo | 11.08.1993 | ||
| 14.60 | Walt Butler | 21.03.1941 | Long Beach | 27.07.1985 | |||
| 14.63 | 0.0 | Richard Katus | 29.03.1947 | Eugene | 03.08.1989 | ||
| 14.4 | Don Findlay | 27.05.1909 | White City | 01.08.1949 | |||
| 14.7 | 1.3 | Leopold Marien | 22.03.1934 | Toronto | 13.07.1975 |