Most consecutive boxing world title defences
- Who
- Joe Louis, Cecilia Brækhus
- What
- 25 total number
- Where
- Monaco
- When
- 30 November 2019
The most consecutive boxing world title defences is 25, achieved by Joe Louis (b. Joseph Louis Barrow, USA) at heavyweight between 30 August 1937 and 25 June 1948; and equalled by Cecilia Brækhus (Norway, b. Colombia) at welterweight between 30 May 2009 and 30 November 2019.
Joe Louis was heavyweight champion for 11 years 252 days, making him the longest-reigning world champion in boxing. Brækhus’s reign as women's welterweight champion ended with defeat to Jessica McCaskill on 15 August 2020, after a reign of 11 years 154 days.