Pleasant Valley students take home first and second place in 12th Annual Cardboard Boat Regatta Race More than fifty high school students from different Iowa-side school districts competed to see who can stay afloat the longest in a cardboard box. Author: Andrea Flores Updated: 6:34 PM CDT May 14, 2021 More than fifty high school students from different Iowa-side districts competed to see who can stay afloat the longest in a cardboard box. The 12th Annual Cardboard Boat Regatta Race kicked off between Bettendorf High School, Pleasant Valley High School and North Scott High School engineering classes. The students worked in teams to create a boat out of cardboard to make it all the way around the Bettendorf Middle Park lagoon.