Seafair 2025 Milk Derby Schedule. Keep reading for all the details. Since 1972, this quirky event features colorful milk carton boats of all shapes, sizes, and designs built by teams of all ages from varying organizations, groups, companies, and families racing on green lake.
This seafair tradition—which started in 1972 and bills itself as a quirky celebration of creativity, science, and boatmanship—invites crafty community members to use a bunch of milk cartons (300 per team) to assemble vessels sturdy enough to hold human bodies. Seafair milk carton derby, july 15;