Events in March in Thornton

• Sun, 15 Mar, 2026 - 09:00 AM

  Colorado Concealed Handgun Course – New Applicant - Thornton

  Concealed Carry Classes Of Denver - North Denver

  USD 30
• Tue, 17 Mar, 2026 - 11:00 AM

  St. Patrick's Day Celebration

  Main Event

  USD 61
• Fri, 20 Mar, 2026 - 06:00 PM

  Arts Thornton Music Series: Colorado Ballet

  Trail Winds Recreation Center 13495 Holly St., Thornton, CO 80602

  15+ Interested
• Sat, 14 Mar, 2026 - 11:00 AM

  Spring Shed and Snuggle Party

  Broken Shovels Farm Sanctuary

  219+ Interested
• Sat, 21 Mar, 2026 - 09:00 AM

  Thornton - Colorado Concealed Carry Class - $135

  Hilton Garden Inn Denver/Thornton (Thornton, CO)

  9+ Interested
• Sat, 28 Mar, 2026 - 12:00 PM

  2026 Thornton Career Fair

  Thornton Community Center

  339+ Interested
• Fri, 20 Mar, 2026 - 06:30 PM

  Comedy Night

  14225 Lincoln St., Thornton, CO, United States, Colorado 80023
• Sat, 14 Mar, 2026 - 12:00 PM

  St. Paddy’s Day Corned Beef & Cabbage Bash

  8858 Pearl St, Denver, CO, United States, Colorado 80229

  201+ Interested
• Sat, 14 Mar, 2026 - 09:00 AM

  Pot of Gold Pickleball Tournament

  14225 Lincoln St., Thornton, CO, United States, Colorado 80023
• Sat, 21 Mar, 2026 - 11:00 AM

  Spring Community Market

  Century Middle School

  28+ Interested
• Sat, 14 Mar, 2026 - 10:00 AM

  Play and Lunch

  Chicken N Pickle - Thornton

  6+ Interested
• Sat, 14 Mar, 2026 - 11:00 AM

  ✨ SATURDAY OPEN HOUSE ALERT!! —Newly Built in Mayfield Subdivision in Thornton, CO!

  11778 Oneida Street Thornton, CO 80233
• Sun, 22 Mar, 2026 - 10:00 AM

  Colorado Concealed Handgun Course - Renewal - Thornton

  Concealed Carry Classes Of Denver - Thornton

  USD 34
• Sat, 28 Mar, 2026 - 11:00 AM

  New Hope Car & Bike Show

  8992 Washington St. , Thornton, CO, United States, Colorado 80229

  614+ Interested
• Wed, 25 Mar, 2026 - 06:00 PM

  Craft & Sip - Crushed Stained Glass Suncatcher Workshop - at Billy Birch!

  Billy Birch Pub and Yard

  USD 66