In April, Social Workout challenged Apartment Therapy loyalists to juice with a vengeance. This month we’ve teamed up with our friends at Hudson Urban Bicycles to bring you two more seasonally-appropriate challenges: Could you ride your bike 100 miles, or get by without disposable plastic for a month? We dare you, and we’re standing by to track your progress and heap glory and prizes on you should you succeed. Grab a friend and come find out more....