river tubing Labor Day leaves Colorado river polluted with painkillers and cocaine Revellers flock to the rivers for some tubing fun, but some sneaky peeing in the water reveals what they’ve been ingesting 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 LATEST ARTICLES1Cold weather got you down? The Arc'teryx approach shoe that doubles as a recovery shoe just got a major winter upgrade 2Ground-breaking robotic surgery helps climber back to his feet, and up mountains! 3Hurry, this top-rated Arc'teryx jacket with "all the features, none of the weight" is a whopping $140 off right now4Revolution Race Aphex Pro review: a rugged and durable hardshell jacket at a good price5Another 100-mile course record is demolished in Colorado – this time super shoes were not involved