- Adam Leyton, Chris Fletcher
- 20 total number
- United Kingdom (Woodstock)
The most UNESCO world heritage site visits in 24 hours is 20 and was achieved by Adam Leyton and Chris Fletcher (both UK) in Woodstock, Oxfordshire, UK, on 14-15 November 2019.
This record was attempted in celebration of GWR Day 2019. The duo also achieved the record for 'Most UNESCO world heritage site visits in 12 hours' during their journey.