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2026 Boulder County Fair

Unless otherwise noted, all Departments, Divisions, and Classes have the same registration period as the Fair.

• 2026 Boulder County Fair 5/15/2026 - 7/2/2026
  • 4-H and FFA Livestock (Including cavy, horse, etc) (Department)
    • Ultrasound Contest (Division) 8/1/2025 - 7/2/2026
  • Open Livestock (Department)
  • Demonstration Contest (Department)
  • Z Do not enter- 4-H Poultry Palooza (Department)
  • Cake Decorating Contest (Department)
  • Cat Show (Department)
    • Showmanship (Division)
  • Creative Cooks Contest (Department)
  • Rocket Fly Day Contest (Department) 4/16/2025 - 5/15/2025