- Who
- Gilles Dufosse
- What
- 03:32:16 hour(s):minute(s):second(s)
- Where
- United Kingdom (London)
- When
The fastest marathon dressed as a monarch (male) is 3 hr 32 min 16 sec and was achieved by Gilles Dufosse (France), at the TCS London Marathon, in London, UK, on 21 April 2024.
At the 2024 TCS London Marathon 44 official Guinness World Records titles were achieved from an original list of 74 attempts.