- Marc Jenner
- 6:47:03 hour(s):minute(s):second(s)
- United Kingdom ()
The fastest marathon carrying a 100 lb pack is 6 hrs 47 min 3 sec, achieved by Marc Jenner (Romania) at the 2017 Virgin Money London Marathon, in London, UK, on 23 April 2017.
Marc knocked over 50 minutes off the previous holder in order to set this record.