Fun Events & Activities for All Ages (Kids, Adults 18+ & Seniors 55+) near Thornton Colorado
Showing 2,095 Events
OPEN
โจ All Ages
Special Events
Free
Belleview Station Holiday BAZAAR 2026 - Small Business Saturday
OPEN
๐จโ๐ฉโ๐ง Ages 4โ18
Sports & Fitness
The Boulder Skatepark
OPEN
๐จโ๐ฉโ๐ง Ages 5โ17
Martial Arts & Sports | Youth Programs | Summer Camps
$36 - $395
Boulder Ki Aikido at One Dojo - Youth Classes & Programs
OPEN
๐จโ๐ฉโ๐ง Ages 4โ18
Martial Arts & Sports | Youth Programs | Summer Camps
$36 - $395
Boulder Ki Aikido - Kids & Teens Martial Art Classes
OPEN
๐จโ๐ฉโ๐ง Ages 5โ17
Martial Arts & Sports | Youth Programs
One Dojo - Children's Self-Defense Classes (Ki Aikido)
OPEN
๐งธ Kids 8โ12
Martial Arts & Sports | Youth Programs
Boulder Ki Aikido - One Dojo - Youth Classes & Programs
Nov
21
๐จโ๐ฉโ๐ง Ages 5โ17
STEM & Coding
$8 - $12
Fiske Planetarium - Astronomy and Science Shows
Jan
10
๐จโ๐ฉโ๐ง Ages 10โ14
Arts & Music
Reel Kids/Boulder Music/Organic Theater - Youth Activities
OPEN
๐จโ๐ฉโ๐ง Ages 1โ18
Arts & Music
Reel Kids/Boulder Music/Organic Theater - Dance, Drama, Music, Performance, Theatre, Technology, and Acting
OPEN
๐จโ๐ฉโ๐ง Ages 4โ18
Martial Arts & Sports | Youth Programs
Free
Boulder Karate - Kids Classes
OPEN
๐จโ๐ฉโ๐ง Ages 4โ18
Martial Arts & Sports | Youth Programs
Free
Boulder Karate - Kids Program
OPEN
๐จโ๐ฉโ๐ง Ages 4โ18
Martial Arts & Sports | Youth Programs
Free
Boulder Karate - Youth Classes & Programs
OPEN
๐จโ๐ฉโ๐ง Ages 4โ18
Martial Arts & Sports | Youth Programs
Boulder Karate - Kids & Teens Classes
OPEN
๐จโ๐ฉโ๐ง Ages 7โ13
Martial Arts & Sports | Youth Programs | Summer Camps
$12 - $368
NCF Boulder - Youth Fencing Programs
OPEN
๐จโ๐ฉโ๐ง Ages 4โ18
Martial Arts & Sports | Youth Programs
Free
Brazilian Jiu-Jitsu Boulder - Youth Classes & Programs
OPEN
๐งธ Kids 2โ5
Sports & Fitness | Summer Camps
$20
ABC Kids Climbing - Youth Classes & Programs
OPEN
๐งธ Kids 2โ5
Sports & Fitness
ABC Kids Climbing - Youth Climbing Gym
OPEN
๐งธ Kids 5โ12
Summer Camps
Boulder Country Day School (BCD) - Youth Classes & Programs
OPEN
๐งธ Kids 3โ4
Summer Camps
Boulder Country Day School (BCD) - Summer Camp
OPEN
๐จโ๐ฉโ๐ง Ages 5โ14
Afterschool and No School Days
Boulder Country Day School (BCD) - After 3 Program
OPEN
๐จโ๐ฉโ๐ง Ages 3โ14
Afterschool and No School Days | Youth Programs
Boulder Country Day School (BCD) - Enrichment Classes
Nov
01
Nov
14
๐จโ๐ฉโ๐ง Ages 5โ17
STEM & Coding
$4 - $65
Fiske Planetarium Shows
Dec
05
๐จโ๐ฉโ๐ง Ages 5โ17
STEM & Coding
Free
CU Wizards - Free Science Events
OPEN
๐จโ๐ฉโ๐ง Ages 6โ18
Sports & Fitness
Step Up Basketball Academy Skills Training
OPEN
๐จโ๐ฉโ๐ง Ages 9โ18
Sports & Fitness | Youth Programs
HitStreak Youth Competitive and Recreational Baseball and Softball Teams
OPEN
๐จโ๐ฉโ๐ง Ages 4โ18
Sports & Fitness
University of Colorado Boulder Sport Clubs - Youth Classes & Programs
OPEN
๐จโ๐ฉโ๐ง Ages 9โ18
Sports & Fitness
HitStreak Youth Baseball & Softball Teams
OPEN
๐งธ Kids 5โ12
Summer Camps
Champ Camp Great Outdoors at University of Colorado Boulder - Youth Classes & Programs
Jan
03
๐ Seniors 55+
Active Older Adults
AOA: Pickleball @ Southwest
May
20
๐ท Adults 18+
Sports
AOA: Intermediate Pickleball Workshop @ Southwest
OPEN
๐งธ Kids 3โ12
Martial Arts & Sports | Youth Programs
Free
Z-Ultimate Self Defense Studios - Youth Classes & Programs
OPEN
OPEN
โจ All Ages
Special Events
Free
Littleton Holiday BAZAAR 2026 - Last Saturday Before Christmas
OPEN
โก Teens 13โ17
Martial Arts & Sports | Youth Programs
$4 - $100
Victory Martial Arts- Littleton - Kids Programs
OPEN
๐จโ๐ฉโ๐ง Ages 5โ18
Sports & Fitness
$19 - $29
Path Movement - Parkour Gym
OPEN
๐จโ๐ฉโ๐ง Ages 5โ17
Arts & Music
Belliston Academy of Ballet & Dance- Littleton - Youth Classes & Programs
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