- Who
- Gary Shaughnessy, Andy Tucker
- What
- 77.3k kilometre(s)
- Where
- United Kingdom (Silchester)
- When
The longest distance run three legged in 12 hours is 77.3 km (48.03 miles) and was achieved by Gary Shaughnessy and Andy Tucker (both UK), in Silchester, Berkshire, UK, on 24 September 2023.
The team decided to attempt this record in order to raise awareness for Parkinson's Disease.