Hall started racing mountain bikes as a teenager, but became more serious in 2009 (aged 28) when he started competing in 24 hour mountain bike races [REF].
The 91 days and 18 hours for the 2012 World Cycle Race does not include transfer and flight times, which is how Guinness World Records measured it at the time, and this was faster than the current around the world cycling record,[REF] but his attempt was never ratified by Guinness.