[1] says that as well as the 41 rotating pacemakers, there's the lack of open competition and the delivery of water by bicycle. Guinness recognises it as "Fast

[1] says that as well as the 41 rotating pacemakers, there's the lack of open competition and the delivery of water by bicycle. Guinness recognises it as "Fastest marathon distance (male)" and "First marathon distance under two hours" despite these factors. [1] https://en.wikipedia.org/wiki/Ineos_1:59_Challenge https://en.wikipedia.org/wiki/Ineos_1:59_Challenge