Masters W55 100 metres world record progression
This is the progression of world record improvements of the 100 metres W55 division of Masters athletics.
;Key:
| Hand | Auto | Wind | Athlete | Nationality | Birthdate | Age | Location | Date | Ref |
| 12.15 | 1.9 | Mandy Mason |  AustraliaAyd|1967|12|16|2023|12|1 |