The Importance of wearing sunscreen
A UK runner decided to do an ultramarathon, which she ran in approximately 21 hours.
She started around 7 am and apparently forgot to wear sunscreen.
She applied sunscreen at around 9 am.
She felt the back of her legs burning after a while so she just applied even more sunscreen.
At the end of her run, her legs looked like this:
She got home and napped for a couple of hours. She then went to a clinic, had the blisters dressed and was told to return the next day.
By the next day, the pus - filled blisters grew to an alarming size:
They were drained and bandaged.
Sunscreen is your friend.