- Who
- Ben Burfoot
- What
- 3:41:59 hour(s):minute(s):second(s)
- Where
- United Kingdom (London)
- When
The fastest marathon in a sleeping bag (male) is 3 hr 41 min 59 sec and was achieved by Ben Burfoot (UK) at the Virgin Money London Marathon, in London, UK, on 28 April 2019.
Ben was one of 38 successful world record attempts adjudicated at the marathon.