- Rebecca Cesar de Sa
- 3:16:19 hour(s):minute(s):second(s)
- United Kingdom (London)
The fastest marathon in film character costume (female) is 3 hrs 16 min 19 sec, achieved by Rebecca Cesar de Sa (UK) at the 2017 Virgin Money London Marathon, in London, UK, on 23 April 2017.
Rebecca was the first female record breaker of the day from over 40 different attempts to take place at the 2017 Virgin Money London Marathon.