They do this every winter since 2011, jumping into water when it’s insanely cold outside, and then letting their wet hair freeze until it becomes pure white. Their motivation is the Hair Freezing Contest with a prize that includes frozen hair and (apparently) tons of fun.

The Hair Freezing Contest at Takhini Hot Pools started in 2011. The early years of the contest had humble beginnings, with $100 of prize money given to the best frozen hairdo and just a few dozen participants each year. Over the years, the contest has increased the prize money to $750 and added several new categories. Here are the best participants of 2020.

Most women dye their hair as soon as they spot the first gray hair on their head. But 26-year-old Martha Truslow Smith decided that enough was enough, and founded the Instagram account grombre to support those women who love their new silver style.