Most bouts undefeated by a world champion boxer in a career (female)
- Who
- Cecilia Brækhus
- What
- 36 total number
- Where
- Not Applicable
- When
- 30 November 2019
The most bouts undefeated by a female world champion boxer in a career is 36, and was achieved by Cecilia Brækhus (Norway, b. Colombia) between 20 January 2007 and 30 November 2019.
Brækhus recorded her 36th consecutive victory – and 25th consecutive title defence – with a unanimous decision over Victoria Bustos in Monte Carlo on 30 November 2019. She has held the WBO, WBA, IBF and WBC welterweight belts since 13 September 2014, making her the longest-reigning four-belt undisputed world boxing champion.