Petaluma’s best loved event returns for its 35th year and is celebrating the city's rich railway history and tracks to the future with the arrival of the SMART train in 2016. Watch over 110 units march through Downtown Petaluma, enjoy food and drink, music, arts and crafts and an area just for kids! "All Aboard! Next Stop Petaluma." Come early to watch the Cow Chip tossing contest at 10 a.m., The Cutest Lil Chick Contest at 10:15 a.m., and the kids' Pre Parade at 11:30 a.m. Main parade steps off at 12 p.m. at Fourth and D Streets, loops around to Petaluma Blvd North, and ends at Petaluma Blvd South at D Street. After the parade of over 2,000 people strolling through Downtown Petaluma, enjoy the festivities all day long!