Hi Liam,
to be fair, that was not the point 
Let’s say that, with your strategy, you can make twice your expected maximum annual drawdown. Already a result that would be impressive and very hard to achieve in the long period.
If you pass the challenge and get $50K, but your maximum drawdown can only be $2,500, you can expect to make $4K-5K a year because of the constraints you have on the drawdown.
This is what I meant.
By the way, I have also started a challenge on FTMO for the $100K. I created a topic here on Babypips: FTMO $100K Challenge: My journey