Backyard Ultra runner breaks last-man-standing ‘backyard’ record after 108 hours and 450 miles of running Harvey Lewis wins the 2023 Big Dog Backyard Ultra, with an amazing six runners passing the 100 hour barrier Advnture NewsletterAll the latest inspiration, tips and guides to help you plan your next Advnture!Contact me with news and offers from other Future brandsReceive email from us on behalf of our trusted partners or sponsors MOST READ1Sea to Summit Lightweight Dry Bag: a waterproof dry bag in unmissable bright colors 2What do mountain rescue team members wear on operations?3Tourist takes carelessness to another level, squatting on the ground for photos with bison at Yellowstone National Park4See tourists demonstrate the worst possible way to react when encountering a bear5The 25 worst things to take on a bikepacking trip – advice from an expert