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boulderaikikai.org

Boulder Aikikai was established by Hiroshi Ikeda in 1980 for the study of the Japanese martial art of Aikido. The dojo is affiliated with the Aikido World Headquarters in Tokyo, Japan, through the Aikido Shimbokukai. We welcome everyone to participate in our programs.

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What is Boulder Aikikai?

Boulder Aikikai is an aikido school and community in Boulder, Colorado, founded in 1980 by Hiroshi Ikeda. It teaches the Japanese martial art of aikido and is affiliated with the Aikido World Headquarters in Tokyo through the Aikido Shimbokukai. It operates as a federal non-profit educational organization.

Practical details

  • Who it's for: New and continuing students, with open enrollment at any time and a focused Introductory Series offered a few times a year. The dojo states it welcomes all students who can safely participate.
  • How classes run: Two formats are offered, virtual and indoor practice, with the full schedule on the Classes page.
  • Observing first: All classes are open for free observation, which is useful if you want to watch a session before committing.
  • Members: Current monthly members manage their details through the Zen Planner portal.
  • Support: Monthly memberships and one-time donations are accepted, with donations handled via PayPal.

Next step: If you're new, check the current class schedule and the Introductory Series dates, then email the dojo with any questions before attending. Observing a class first is the simplest way to judge whether the teaching style and training intensity suit you.

The school also publishes a nondiscrimination policy covering admission and participation regardless of race, color, national or ethnic origin.

How do I get started with Aikido at Boulder Aikikai?

Start by observing a class, then choose between open enrollment and the Introductory Series. Boulder Aikikai states that all classes are open for free observation, so you can watch before committing. New students are always welcome, with enrollment open at any time and a focused Introductory Series offered a few times a year.

Your first steps

  1. Check the class schedule on the Classes page and pick a session to observe. The dojo currently runs two formats: virtual and indoor practice, so confirm which one suits you.
  2. Watch a class for free. This is the lowest-pressure way to see the teaching style, the space and the other students.
  3. Decide between rolling enrollment and the Introductory Series. Rolling enrollment lets you begin whenever you like; the series suits people who prefer a structured, group-based start a few times a year.
  4. Email the dojo with any questions before your first session. That is the contact route the site itself points to.
  5. Once you are a member on a monthly plan, you can view and update your details through the Zen Planner portal.

Which entry route fits you

Route Best for Trade-off
Open enrollment, any time People who want to start now and learn at their own pace Less structured; you join an ongoing class
Introductory Series Beginners who want a guided, cohort-style foundation Only runs a few times a year, so timing may not match

Practical notes

The dojo was established by Hiroshi Ikeda in 1980 and is affiliated with the Aikido World Headquarters in Tokyo through the Aikido Shimbokukai. It describes itself as a federal non-profit educational organization and welcomes all students who can safely participate. Its non-discrimination policy covers race, color, national and ethnic origin across admissions, programs and activities. Support options include a monthly membership or a one-time donation via PayPal.

A useful next step

Email the dojo to ask two things: when the next Introductory Series begins, and whether you should observe an indoor or virtual class first. That answer will tell you whether to wait for the series or simply show up to watch.

For broader context on the art, the Aikido World Headquarters in Tokyo is Aikikai Foundation, and the affiliation body named on the page is Aikido Shimbokukai.

What is the class schedule and what types of classes are offered?

Boulder Aikikai currently offers two formats — virtual and indoor practice — and the full schedule lives on its Classes page rather than on the homepage. Class times, days and any changes are posted there, so check that page before planning a visit.

Boulder Aikikai

What to expect

  • Indoor practice: In-person aikido training at the dojo on 30th Street in Boulder.
  • Virtual classes: Remote participation, useful if you travel, are unwell, or want to keep training between visits.
  • Free observation: All classes are open to observe at no cost, so you can watch a session before deciding to join.

For a first step Email the dojo with your experience level and which format you're considering; they can point you to the right class and tell you whether the Introductory Series, held a few times a year, is a better entry point than open enrollment.

How much does membership cost and what payment options are available?

Membership pricing is not published on the Boulder Aikikai website. The page confirms that membership exists in monthly form and that a one-time donation option is available, but it does not list dollar amounts for dues, introductory series fees, or mat fees. Payment channels mentioned are the Zen Planner portal for current monthly members to view and update their information, and PayPal for donations. For exact costs, email the dojo directly, since rates often depend on whether you are a new student in the Introductory Series, a continuing monthly member, or a visitor observing classes (which the site says are free to observe).

A practical next step is to ask three specific questions when you email: the current monthly membership rate, whether the Introductory Series has a separate fee, and whether any drop-in or mat fee applies for visiting aikidoka. If cost is the deciding factor, compare Boulder Aikikai against other aikido schools in the area on total monthly outlay rather than headline dues, since training frequency and class access vary. You can also check the Aikido World Headquarters affiliation context via Aikikai Foundation if lineage and federation ties matter to you.

Who was Hiroshi Ikeda and what is his connection to Boulder Aikikai?

Hiroshi Ikeda founded Boulder Aikikai in 1980, making the dojo his original school in Boulder, Colorado. The dojo describes itself as established by him for the study of Aikido and affiliated with the Aikido World Headquarters in Tokyo through the Aikido Shimbokukai. That affiliation matters for students because it places the school within a recognized lineage and instructor network rather than an independent club.

For a prospective student, the practical connection is straightforward: the school's identity, teaching lineage and organizational ties all trace back to Ikeda's founding role. You can confirm current class formats, introductory sessions and observation options on the dojo's own pages at Boulder Aikikai.

If your interest is in a particular instructor or lineage, ask before enrolling who teaches the classes you plan to attend, since a founder's legacy does not automatically mean the founder leads every session.

How does Boulder Aikikai's affiliation with the Aikido World Headquarters affect training?

Affiliation with the Aikido World Headquarters in Tokyo, through the Aikido Shimbokukai, mainly affects how the school positions its instruction and how students can relate their training to the global aikido mainstream. Boulder Aikikai states that it was established by Hiroshi Ikeda in 1980 and that it is affiliated with the World Headquarters via the Shimbokukai. In practice, that kind of lineage link usually means the dojo follows a recognized aikido curriculum and grading framework, rather than a purely independent style.

What that means for a prospective or current student:

  • Recognized progression. If the dojo issues ranks within the World Headquarters system, those ranks are more likely to be understood by other affiliated dojos than ranks from an unaffiliated school.
  • Access to seminars and visiting instructors. Affiliation often brings opportunities to train with teachers from the broader organization, both locally and abroad.
  • Shared etiquette and terminology. Classes tend to follow conventions common across the organization, which helps if you move or visit another affiliated dojo.
  • A defined style. Training reflects the technical lineage of the founder and the teachers in that line, so you can research that lineage before joining.

The trade-off is that affiliation does not by itself tell you the quality of daily instruction, class size, or how well a dojo suits your body and goals. Those depend on the local teachers and community.

A useful next step: attend a free observation session, which Boulder Aikikai says is open for all classes, and ask directly how ranks are registered, whether testing is done locally or through the Shimbokukai, and how often members travel to seminars. If cross-dojo recognition matters to you—for example, if you may relocate—compare the answers with another nearby school such as Aikikai Foundation-affiliated dojos or a local alternative.

Related questions

More questions →
How to Support Boulder Aikikai

You can support Boulder Aikikai in two ways listed on the dojo's site: a monthly membership or a one-time donation, with donations processed through PayPal. Both options are grouped under the "Support" section of the website. This is separate from class enrollment — new students sign up through the "New Students" section instead, so if your goal is to train rather than to give, use that path.

Support options at a glance

Option What it is Where it leads
Monthly membership Ongoing support tied to a recurring membership Support options page
One-time donation A single gift to the dojo PayPal

Boulder Aikikai describes itself as a federal non-profit educational organization, which is the context for why it accepts donations alongside memberships.

Monthly membership

A monthly membership is the recurring support route. The site notes that current members with a monthly membership can view and update their information through the Zen Planner portal, which is the same system used for member management. If you are already a member, that portal is where you manage your own record rather than a separate support page.

If you are not yet a member and want to support through membership, the practical first step is to contact the dojo by email with your question, since the site directs general questions there.

One-time donation

A one-time donation goes through PayPal. The site lists this under "Support" without stating amounts, tiers, or whether a PayPal account is required versus a card — none of that is specified, so treat the PayPal page itself as the place where those details appear.

Before you give: things the site does not state

  • No prices, suggested donation amounts, or membership rates are published in the material available.
  • No statement about whether donations are tax-deductible, despite the non-profit status described.
  • No indication that donating grants class access, or that membership is required to donate.

If any of these matter to you, email the dojo before committing.

Observing first, if you are undecided

All classes are open for free observation, according to the site. If you want to see the dojo in practice before deciding whether to support it financially, attending an open class as an observer is the lowest-commitment step, and it does not require enrollment.

Quick decision guide

  • Want to give once, no ongoing tie → one-time donation via PayPal.
  • Want to give continuously and be a member → monthly membership, managed through Zen Planner.
  • Want to train, not donate → go to the New Students section; enrollment is open at any time, with a focused Introductory Series offered a few times a year.
  • Want to see it first → attend a class for free observation.

For anything not covered on the site — amounts, tax treatment, or how membership and donation interact — email the dojo directly.

Website Overview

An established domain and managed infrastructure suggest continuity of operations and may support dependable delivery, although neither guarantees service quality. Several search or sharing settings need attention. Together they may make snippets, preview images or preferred URLs less consistent across platforms.

Domain and Registration

Registered in 2001, this domain has about 25 years of history. That suggests continuity, although ownership and purpose may have changed. Transfer-protection status is present, helping reduce the risk of unauthorized domain transfers. The registrar is NameCheap, Inc., a widely used domain service provider. The domain uses the common .org extension, which is not an independent safety signal.

DNS and Email

Nameservers are provided by Namecheap, indicating managed DNS hosting. MX records point to the registrar-servers.com email service. SPF and DMARC are configured. DKIM status is unknown. DNSSEC signatures were not detected, so this additional DNS authenticity protection is not confirmed. The lowest observed DNS TTL is 1799 seconds.

TLS and Certificates

The certificate uses an RSA 2048-bit public key, offering broad client compatibility. The server supplied a complete certificate chain. No organization name is present in the certificate; the available fields are consistent with domain validation. The certificate was issued by Let's Encrypt, commonly associated with automated certificate services. The certificate's total validity is about 89 days, consistent with a short renewal cycle.

HTTP and Browser Security

The response lacks these common security headers: CSP, Referrer-Policy, Permissions-Policy, clickjacking protection. No X-Powered-By header was found, reducing one common source of backend fingerprinting information. The x-cache, x-served-by, via response header indicates a CDN or caching proxy in the delivery path. No obvious internal addresses or debug information were found in the headers. The Server header contains the custom value Pepyaka.

Technology Stack Analysis

The public page identifies Wix.com Website Builder, Wix, React, Sentry, Fastly without precise versions, leaving fewer clues for version-specific scanning.

Search and Social Sharing

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Hosting and Email

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Registration details

RDAP / WHOIS

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DNS records

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TLS and certificates

TLS / SSL

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Verification detailsCertificate trust: Passed · Hostname match: Passed

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Meta descriptionBoulder Aikikai was established by Hiroshi Ikeda in 1980 for the study of the Japanese martial art of Aikido. The dojo is affiliated with the Aikido World Headquarters in Tokyo, Japan, through the Aikido Shimbokukai. We welcome everyone to participate in our programs.
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