14 competed in the first Water Carnival cardboard boat races

Atascadero LakeFest event features cardboard boat races

Check out all the photos and video content from the 85th Northwest Water Carnival in Detroit Lakes - Detroit Lakes Tribune

Dragon Festival celebrates 19 years at Phalen Park in St. Paul, MN

Cardboard Boat Races - Water Carnival

Cardboard Boat Regatta - Discovery Park of America: Museum and Heritage Park

Cardboard regatta: High school students race in cardboard boats, Local News

A scorching Cardboard Boat Regatta one for the history books

Riverhead Cardboard Boat Races set sail Aug. 13 - RiverheadLOCAL

Winfield comes out for cardboard boat races

Cardboard boat race hi-res stock photography and images - Alamy

Design for a Cardboard Boat Race

Students compete in annual cardboard boat regatta