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Cardboard Boat Regatta
The Cardboard Boat Regatta challenges boat builders of all ages to design, build and navigate boats made entirely out of corrugated cardboard. Spectators and families flock to this legendary event to see courageous crews brave the waves of Lake Sacajawea!
2026 official theme is America 250 Celebration!
We can't wait to see what kind of patriotic creations you come up with!
For the most up to date information please follow
Tentative Schedule
2025 Schedule (2026 subject to change)
2:00 First of Volunteer crews arrive
3:00 Boats start arriving
4:15 Judges viewing
4:45 Meeting for Timers, Chute Crew, Starting Line Crews
4:50 Meeting Boat Captains
5:00 Spectators out of fenced area
5:00 First three heats are announced
5:15 General announcements
5:25 National Anthem
5:30 We are off!
Finish – Award Presentations
