32-year-old Kevin Brady from Gloucester has had a pretty tough few weeks.
In a charity mission to swim the length of the River Severn, he's had to battle hypothermic water, sharp debris, treacherous undercurrents, parasites, pollution and large boat traffic.
We caught up with him in the studio to hear about his motivation, the moment he finally crossed the finish line, and the answer to that all important question - after weeks in the river, has he washed his hair yet?
A man from Gloucester has become the first person in history to swim the entire Severn. Watch the amazing moment Kevin Brady got to shore
Adventurer Kevin Brady wants to make history by becoming the first person to swim the entire 220 mile length of the River Severn