Thousands of Louisvillians are expected to head to Waterfront Park on Monday to participate in Mayor Greg Fischer's Healthy Hometown Hike, Bike and Paddle. The event's goal is to encourage fitness through outdoor activities. Louisville was recently ranked second-to-last on the American Fitness Index's ranking of 50 major U.S. cities.Free shirts will be given to the first 3000 people to arrive at the event, which begins at 8:30 AM. Participants have the choice of a 5k hike around Waterfront Park, a 10 mile bike ride to Shawnee Park, or a 2.6 mile paddle.The bike and paddle will start at 10:00, and the hike will begin at 11:00.The event, which used to be simply the "Mayor's Hike and Bike," was expanded to include paddling on the Ohio River earlier this year. The Memorial Day Hike, Bike and Paddle had the highest turnout ever for bikers.