Jonny Walker takes on the grueling course of the Extreme XL Lagares, in Portugal. Not one to back down to a challenge, follow Jonny as he tackles the rugged course along the sea wall and then taking to the narrow streets of Porto's old city. Shot 100% on the HERO5 camera from GoPro.com. 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/