- Adam Keighran
- 3:20:13 hour(s):minute(s):second(s)
- Australia (Sydney)
The fastest marathon in highland dress (male) is 3 hr 20 min 13 sec, and was achieved by Adam Keighran (Australia) at the Blackmores Sydney Running Festival, in Sydney, Australia, on 15 September 2019.
Adam was one of 4 successful runners attempting Guinness World Records titles on the day.