- Who
- Cam Zink
- What
- 30.55 metre(s)
- Where
- United States (Mammoth Lakes)
- When
The longest dirt to dirt mountain bike backflip is 100 ft 3 in and was achieved by Cam Zink (USA) at the ESPN World of X Games: Mammoth Flip presented by Monster at Mammoth Mountain’s Canyon Lodge in Mammoth Lakes, California, USA, on 21 August 2014.