How much improv can you handle? This colossal comedy gauntlet sets up hundreds over shows all over town running day and night for three days straight. In celebration of the improv marathon's 20th anniversary, and of the Upright Citizen Brigade's legacy in larger culture, festival organizers are going all out. Look out for a reunion of the founding members (including Amy Poehler) at Carnegie Hall; A women of color showcase featuring Sasheer Zamata, Natasha Rothwell, Nicole Byer and other favorites; and many more. Check delclosemarathon.com for a full schedule and start planning your naps now.