GoPro Athlete Sam Pilgrim and Nicholi Rogatkin show us what it is like to ride the Downhill Challenge Medellín with #HyperSmooth, the world's longest urban downhill race. Shot 100% on GoPro – bit.ly/2L0hVna Comment below on your favorite part! Get stoked and subscribe: goo.gl/HgVXpQ For more from GoPro, follow us: Facebook: www.facebook.com/gopro Twitter: twitter.com/gopro Instagram: instagram.com/gopro Tumblr: gopro.tumblr.com/ Pinterest: www.pinterest.com/gopro Inside Line: gopro.com/news GoPro: gopro.com/channel/ #GoPro