- Who
- Adrian Ellul
- What
- 307.68 kilometre(s)
- Where
- Australia (Walkerston)
- When
The greatest distance cycled in 12 hours on a mountain bike is 307.68 km (191.18 miles) and was achieved by Adrian Ellul (Australia) in McLennon Park, Walkerston, Queensland, Australia, on 9 - 10 October 2015.
Adrian used a Giant XTC mountain bike for this record-breaking attempt.