This story originally appeared in the May 2016 issue of our print edition.
A few photos of climbers struggling with some of the well-known challenges unique to our sport, submitted by our readers.
"I was visiting family in Ohio over Thanksgiving weekend. After seven days away from my home gym in Los Angeles, LA Boulders, I was just itching to get back at it."
"When you’re so pumped from climbing that you can’t untie your knot."
"Got stuck in a Porta-potty at the Gunks."