Some 20,000 people laced up their running shoes and donned red t-shirts for Tel Aviv’s NightRun, an unusual sporting event celebrating the city’s vibrant after-hours culture.

Reflecting the young international feel of the city, announcements were made in several languages and the runners represented a broad spectrum of Israeli and immigrant residents of the Israeli city that never sleeps. Click on the video to hear what the mayor and enthusiastic participants have to say about his unusual nighttime event.