- Guido van der Werve
- 3:3:55 hour(s), minute(s), second(s)
- Holanda (Amsterdam)
The fastest marathon dressed as a nun is 3 hr 3 min 55 sec, and was achieved by Guido van der Werve (Netherlands) at the Amsterdam Marathon, in Amsterdam, Netherlands, on 18 October 2015.
Guido's personal best (without costume) at the time of the run was 2 hr 57 min.