You signed the lease, ordered the warped wall, and scheduled your first kids' class — then the franchisor's royalty invoice arrives, your insurance broker quotes a five-figure premium, and your accountant asks whether the $90,000 obstacle rig is one asset or forty. Welcome to the part of gym ownership no training montage prepares you for: the books.
Ninja warrior and obstacle course gyms look like simple businesses from the outside — mats, metal, memberships. Underneath, they combine three accounting headaches at once: franchise fee structures with percentage royalties, six-figure specialized equipment with real depreciation choices, and a revenue mix that splits between recurring memberships and one-off open-gym visits, parties, and camps. Get any one of these wrong and your profit picture lies to you every month. Get all three right and you will know, to the dollar, which parts of your gym actually make money.
Franchise vs. Independent: What the FDD Numbers Mean for Your Books
Most ninja gyms open under a franchise flag — the brand, the course designs, and the class curriculum come from the franchisor. The Franchise Disclosure Document tells you the headline numbers, but each one lands in a different place in your books.
Real-world examples show how wide the range is. One established ninja academy brand charges a $35,000 initial franchise fee with a 5% royalty plus a 1% advertising contribution, and discloses a total initial investment of roughly $118,000 to $233,000. A kids-focused competitor charges a $60,000 franchise fee with a 7.5% royalty plus a 1.5% ad fund fee. A larger-format brand charges a $45,000 fee with 6% royalties plus 2% for marketing, and its total investment range runs from about $616,000 to nearly $1.2 million. Same industry, wildly different fixed-cost bases — which is exactly why your bookkeeping has to reflect your specific agreement, not a generic gym template.
Capitalize the initial fee, then amortize it over the agreement term
The initial franchise fee is not a startup expense you deduct in month one. Under franchise accounting rules, it is an intangible asset: capitalize it on your balance sheet and amortize it straight-line over the term of the franchise agreement — commonly ten years for fitness and recreation franchises. A $35,000 fee on a ten-year agreement becomes a $3,500 annual amortization charge, roughly $292 a month, every month, whether you had a good month or not.
Record any refundable deposits separately as assets until they are applied or refunded. And if your agreement includes renewal fees, territory fees, or required remodel contributions, set those up as their own amortization schedules when they trigger rather than burying them in general expenses.
Royalties and ad fund fees are period expenses — accrued monthly
Continuing royalties are the mirror image: they hit the income statement as incurred, typically calculated as a percentage of gross sales each month or week. Two bookkeeping details matter enormously here.
First, pin down the franchisor's definition of gross sales in your chart of accounts. Does it include birthday party revenue, pro-shop sales, competition entry fees, and vending? Does it exclude sales tax, refunds, and gift-card breakage? Whatever the agreement says, your revenue accounts should be structured so the royalty base is a report you can run, not a number you reconstruct by hand each month. Accrue the royalty payable at month-end and reconcile it against the franchisor's draft before it clears your bank account — discrepancies surface fast when the two sides compute the base differently.
Second, keep royalties and brand-fund contributions in separate expense accounts. The royalty pays for the license and ongoing support; the ad fund pays for system-wide marketing you do not control. When you later evaluate whether the franchise is worth it, you want to see each cost standing on its own.
The Obstacle Rig: Depreciating Six Figures of Steel, Foam, and Rigging
The course itself is the biggest capital decision you will make. A full indoor rig — salmon ladder, warped walls, cliffhangers, rigging, landing surfaces, timing systems — routinely runs into six figures, and outdoor builds with site preparation can approach seven. How you capitalize and depreciate that spend shapes your taxable income for years.
Section 179, bonus depreciation, and the 7-year equipment life
Most gym and fitness equipment falls into the 7-year MACRS property class, depreciated over seven years under the default schedule. That default is rarely the best answer for a new gym. Section 179 expensing lets profitable businesses deduct qualifying equipment purchases up front, subject to annual limits and taxable-income constraints, while bonus depreciation offers another acceleration path with its own phase-down schedule and different state-conformity quirks — some states conform to Section 179 but not to bonus depreciation, which means your federal and state books can legitimately disagree.
Practical approach: capitalize the rig as itemized fixed assets (not one lump sum), so each major component carries its own placed-in-service date and life. Take accelerated deductions where they genuinely help your tax position, coordinate with your CPA on state conformity, and remember that expensing everything in year one is not automatically smart — if you expect much higher income in years two and three, spreading deductions can be worth more.
Leasehold improvements, mats, and the replacement cycle
Everything bolted to a leased building — flooring, rig anchors, lighting, HVAC upgrades for a foam-pit room — is generally a leasehold improvement with its own recovery period, often shorter than the building itself under qualified improvement property rules. Track improvements separately from equipment from day one; commingling them is one of the most common fixed-asset errors in leased fitness spaces.
Then there is the consumable layer owners forget to budget: landing mats compress, foam pit cubes break down, grips wear smooth, and cargo nets fray. These are not capital assets — they are supplies and maintenance expense — but they are predictable. Set up a monthly equipment-replacement reserve based on usage hours, and tie replacement decisions to documented safety inspections rather than vibes. A course that looks tired also sells fewer memberships, so this reserve protects revenue as well as ankles.
Membership vs. Open Gym: Two Revenue Models, Two Sets of Books
Almost every ninja gym sells both recurring access and pay-per-visit entry, and the accounting for the two could hardly be more different. Mixing them together is how owners end up believing a packed Saturday open gym means the business is healthy while membership churn quietly drains the base.
Memberships and class packs: deferred revenue first, revenue over time
Anything a customer pays for before using — monthly EFT memberships, 10-class packs, session bundles, prepaid summer camps — creates deferred revenue (a liability) at the moment of sale. You recognize the revenue as you deliver the access or sessions, generally ratably over the membership period or as classes are used. A 10-class pack is ten small performance obligations, not one sale.
Two details deserve their own accounts. First, breakage: some prepaid sessions will never be redeemed. Under revenue recognition rules you may recognize expected breakage proportionate to actual redemptions, but only with a reasonable history to support the estimate — new gyms should recognize breakage only when the likelihood of redemption becomes remote, such as at expiration. Second, failed autopay: membership businesses live and die on dunning. Track failed-payment recovery (sometimes called involuntary churn) as its own metric, and write off uncollectible balances promptly instead of letting receivables age into fiction.
Open gym, parties, and events: deposits are liabilities until the event happens
Drop-in open gym fees and single-class purchases are point-in-time revenue — simple. Birthday parties and private events are where gyms get sloppy. The deposit a parent pays in March for a May party is not March revenue; it sits in a customer-deposits liability account until the party happens, at which point the full package (room, coach time, add-ons) is recognized together. Cancellations and forfeited deposits each need a consistent policy, applied the same way every time, because party deposits are material money in this business — a gym running six parties a weekend can easily hold five figures of other people's cash.
The KPIs that actually separate thriving gyms from break-even ones
Once the revenue streams are cleanly separated, four numbers tell you the health of the business: revenue per available training hour (total revenue divided by coached hours offered), the membership share of total revenue (recurring base versus transactional spikes), class and camp fill rates, and party booking conversion (inquiries to held dates). If open gym is more than half your revenue, you do not have a membership business with a side hustle — you have an events business with fixed membership overhead, and your staffing and marketing should reflect that.
The Insurance and Waiver Line Items That Surprise First-Time Owners
Obstacle sports carry obvious injury risk — sprains, fractures, and worse are inherent to swinging, jumping, and climbing at height — and your books need to reflect that risk before opening day, not after the first incident.
General liability for an obstacle gym runs far above a standard fitness studio, and premiums are commonly quoted with per-participant pricing, assumption-of-risk requirements, and strict waiver conditions. Budget the full annual premium plus any per-head surcharges into a prepaid insurance asset amortized monthly, so a January renewal does not nuke one month's profit. Require a signed liability waiver and assumption-of-risk agreement for every participant — digital waiver systems that store executed copies by name and date are the standard — and keep an incident log that ties to your books: every reported injury gets a date, a description, and a cross-reference to the session, because your insurer and your attorney will both ask.
Coaches belong in this section too. Most ninja gyms classify coaches as W-2 employees — set schedules, required curriculum, supervised minors — which means workers' compensation, payroll taxes, and background-check costs sit in your labor burden, not in a contractor line. Misclassifying coaches as 1099 contractors to save on payroll taxes is one of the fastest ways to convert a profitable gym into a back-tax payment plan. Price your classes with the fully loaded cost of employed coaches, including the downtime between sessions when they are inspecting rigs and resetting courses.
Common Bookkeeping Mistakes That Distort a Gym's Numbers
After the structure is set, watch for the five errors that show up again and again in recreation businesses:
- Booking party deposits as revenue on receipt. This overstates income in booking-heavy months and understates it when the parties happen. Deposits are liabilities until the event occurs.
- Expensing the rig instead of capitalizing it. A six-figure course run through repairs and maintenance makes year one look catastrophic and years two through seven look artificially great.
- Forgetting the royalty accrual. If the franchisor drafts royalties on the 10th for the prior month, month-end close must include the payable — otherwise every month's margin is overstated until the cash leaves.
- No per-stream profit view. If memberships, open gym, parties, camps, competitions, and retail all land in one "sales" account, you cannot price, staff, or market intelligently. Separate them.
- Letting receivables and breakage drift. Stale autopay balances and expired-but-unrecognized class packs quietly rot on the balance sheet. Reconcile both monthly.
None of these requires exotic software. They require a chart of accounts designed for how a ninja gym actually earns money, a month-end close checklist that includes the royalty accrual and the deferred-revenue rollforward, and the discipline to run it twelve times a year. If you want a starting template for that structure, the documentation at /docs/ walks through setting up double-entry books you fully control, and the dashboard views in /fava/ make the membership-versus-open-gym split visible at a glance.
Keep Your Gym's Training Disciplined — and Your Books Too
Running an obstacle gym means living in two worlds: the loud, chalk-dusted floor where athletes chase their first salmon ladder, and the quiet spreadsheet where royalties accrue, rigs depreciate, and deferred revenue unwinds one session at a time. The gyms that survive are the ones that take the second world as seriously as the first.
Beancount.io gives you plain-text accounting that is transparent, version-controlled, and AI-ready — every royalty accrual, depreciation schedule, and deferred-revenue balance in files you own, not a black box. Get started for free and run your gym's finances with the same precision you coach on the course.