Boulder Ki Aikido Martial Arts

Boulder Ki Aikido Martial Arts offers weekly Children’s Ki Aikido classes, Child-Parent Ki Aikido classes, and ‘Tweens & Teens Ki Aikido classes, along with weekly adult Aikido martial art classes. It also offers an Adult Aikido Intro Course several times throughout the year in 8- or 12-week sessions.

Programs

• Adult Aikido martial art classes — Adults · weekly
• Adult Aikido Intro Course — Adults · offered several times throughout the year; 8 or 12 weeks
• ‘Tweens & Teens Ki Aikido classes — ‘Tweens & Teens · weekly
• Children’s Ki Aikido classes — Elementary school-age students · weekly
• Child-Parent Ki Aikido classes — Children and parents · weekly
• Boulder summer camps for kids, ‘tweens & teens — Kids, ‘tweens & teens · 2026 Peace Samurai™ outdoor Boulder summer camps

At a glance

• Ages: 5–18 years old
• General schedule: Daily martial arts classes for all levels from beginner to advanced; weekly classes for adults, ‘tweens & teens, children, and child-parent; summer camps.

About the provider

The teaching of Ki Aikido began in Boulder, Colorado in 1977, and Boulder Ki Aikido was formed in 1999. The leadership team includes Abel Villacorta Sensei, Jennifer Niesink-Trotter Sensei, Stephen Randy Thompson Sensei, Nathan Prucha Sensei, Eric Neeb Sensei, Russell Smith Sensei, Koichi Kashiwaya Sensei, Shinichi Tohei Sensei, and Koichi Tohei Sensei. The school describes itself as a peace-focused Aikido martial arts school serving Boulder County and surrounding communities in Colorado, and it says it teaches mind-body coordination using non-violent techniques to solve inner and outer conflict.

An assumption of risk waiver is required prior to participation. The site offers an 8 day trial for $25 and a 1 week of classes for $25 introductory offer. Parents are welcome and encouraged to attend any children’s classes. The page also mentions sign-up, pre-registration for the first class, and online calendar reservation.

Last updated November 6, 2026.