The fastest marathon by a mascot (male) is 3 hr 51 min 50 sec and was achieved by Francis Gilroy (UK) running as Harvey the Hospice Heart of the Prince and Princess of Wales Hospice at the 2014 Virgin Money London Marathon in London, UK, on 13 April 2014.

Francis has worked as the mascot for the Glasgow based Prince and Princess of Wales Hospice since April 2011. His record was one of 30 successfully broken and verified onsite by Guinness World Records at the 2014 Virgin Money London Marathon.