in brooklyn, louis munoz says he ran the distance of aathon terrace. how long did it take you?4 hours 37 minutes exactly. >> reporter: the college soccer player has been preparing for a marathon and wanted to keep up his training as well as encourage people to stay at home. >> i put two calls to each corner, it was 8 meters long and i started to run back and forth from it. it was about 5,000 laps. >> reporter: in virginia mike didn't sleep for 2 1/2 days, running more than 262 miles, all by circling the same block in his arlington neighborhood. >> my family and i just got home from the quarantine backyard ultra. it's about 1:37 in the morning. >> reporter: british runner john griffin took the great outdoors indoors for charity. he says he scaled the height of mt. everest using the staircase of his three-story home. >> i feel i need a celebration. being british is the only wayit tea. 50% on my way up. >> reporter: griffin climbed 41,000 steps in four days using a computer to track his progress. and professional climbers are scaling everything, from kitchens to bookshelves to ter