Photo by Francis Cade
He's been riding 107 kilometres every day since December 16th. And he plans to keep doing this until April 1st. 107 days in total.
Every week he's been riding 749km - the same distance from London to Geneva, Switzerland - to raise awareness for a school called Pace. 
He'll be doing that for 15 weeks in a row all in all, and fitting a full-time job somewhere in there too!
So how does he do it?! With a lot of grit, determination... and a superman onesie.
As well as creating the Attacus + 107 Jersey to commemorate the challenge, we've put together a mini-series exploring the 107 for 107. Each will focus on a different aspect of the challenge. 
Together they'll give the full picture of the logistics needed to pull off a challenge this big when, like most of us, you don't have a support crew or the luxury of not having to go to work!
Watch Part One - 'Who is Chris Hall?' here:
Watch Chris battling mechanicals, lots of rain and Christmas dinner fatigue here:
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