- من
- Daniel Boulton
- ماذا
- 5 total number
- أين
- ألمانيا (Konstanz)
- متى
The most countries visited in 12 hours by bicycle (male) is 5 and was achieved by Daniel Boulton (UK) in Konstanz, Baden-Württemberg, Germany, on 1 July 2023.
Daniel has been endurance cycling to raise money for charity since 2013.