Athletes Strip Down For the ESPN Body Issue, and We've Never Seen Such Toned Butts

If you can't tell by Katrin Davidsdottir's cover photo, she's a champion. The 26-year-old CrossFit athlete is a five-time Top 5 finisher at the CrossFit Games and a two-time champion, as she won in 2015 and 2016. She's recognized as the best Icelandic CrossFitter in the world, and she's worked incredibly hard to get there. "I'm so proud of every single muscle of my body. I had to work for it. I had to earn that. They don't just show up," she said in the candid interview.