Guides · Updated 2026-10-15

ChatGPT prompts for personal trainers (UK)

These prompts cover the writing a personal trainer or class instructor does every week: health questionnaires, session policies, social posts and ads, client check-ins and review requests. Fill in the [brackets], paste into ChatGPT, Claude or Gemini, and check the draft before you use it. AI tools can get rules wrong, so check anything legal yourself. We checked the rules below on 15 October 2026.

Don't use an AI tool to write medical advice or a training plan for someone with a health condition. Use it for wording, and refer clients to a GP or physio when you need to.

For general business messages, see ChatGPT prompts for small business admin.

New clients

1. Health questionnaire and why you're asking

Write a short introduction for my new-client health questionnaire as a personal trainer. Explain in plain English why I'm asking about health, injuries and medication (to make sessions safe), who will see the answers (only me), how I store them ([where]), how long I keep them ([period]) and that the client can ask me to delete them. British spelling, under 150 words.

The ICO says health data, including injuries, medical history and data from fitness trackers, is special category data. To use it, you need both a lawful basis and a separate condition, such as explicit consent (ICO: what is special category data?). Never paste a client's health answers into an AI tool.

2. Welcome message after a consultation

Write a friendly welcome email to a new client, [name], after our consultation. Confirm their first session on [date] at [time] at [place], what to bring ([water, trainers, towel]), how to pay ([method]), and my cancellation notice ([hours]). British spelling, under 150 words.

Policies

3. Cancellation and session package terms

Write short terms for my personal training sessions and packages. Rules: sessions cancelled with [hours] notice can be rebooked; less notice means [the session is used / a fee of £amount]; packages of [number] sessions must be used within [months]; refunds for unused sessions [when, such as injury or moving away]. Fair, plain English, no small print, British spelling, under 200 words.

Keep it fair: the Consumer Rights Act 2015 lists, as a term that may be unfair, one requiring a consumer who decides not to go ahead to pay a disproportionately high sum in compensation or for services not supplied (Schedule 2, paragraph 5).

4. Price rise notice

Write a short, friendly message to clients explaining that my session prices are going up from [date] from [£old] to [£new], because [honest reason]. Say that sessions already paid for keep the old price. British spelling, under 120 words.

Marketing

5. Social post about results, within the advertising rules

Write an Instagram post about my [programme] for [type of client]. Focus on what we do in sessions, how often, and how clients feel (energy, strength, confidence). Don't promise any amount or rate of weight loss, don't claim fat loss from a specific body part, and suggest people check with their doctor before starting intense exercise. British spelling, under 150 words, plus 5 hashtags.

The CAP Code says ads must not claim people can lose precise amounts of weight within a stated period, or lose weight or fat from specific parts of the body. Ads for intensive exercise programmes should encourage people to check with a doctor first (ASA: CAP Code rule 13.1 and related rules).

6. Client testimonial, done properly

Turn this client's own words into a short testimonial for my website: [paste their words]. Keep their meaning and any figures exactly as they gave them, include the time period if they mention weight lost, and don't add claims. Then write a one-line message asking them to confirm in writing that I can use it with their first name.

The ASA says testimonials must be genuine, with signed and dated proof and the person's permission. A claim that someone lost an exact amount of weight must give the period. For people who are overweight, a rate of more than 2lb (just under 1kg) a week is unlikely to be acceptable (ASA: weight control testimonials).

7. Class timetable announcement

Write a short announcement for my new [type] classes at [venue]: [days and times], [price per class or block], how to book ([link]), what to bring, and who it suits ([level]). Friendly, no fake urgency, British spelling, under 120 words, plus a 200-character version for Instagram.

If you play music in classes at a venue such as a church hall or community centre, PPL PRS says you'll need TheMusicLicence. Its example for a fitness instructor running three classes a week for 50 weeks is £345 a year, or £2.30 a class, plus VAT (cost example correct as of July 2026) (PPL PRS: fitness classes). Check that your streaming service allows commercial use.

Clients and reviews

8. Weekly check-in message

Write a short weekly check-in text for my PT clients asking how their week of training went, whether anything hurt or felt off, and whether they're ready for [next week's focus]. Encouraging, no guilt, under 300 characters, British spelling.

9. Win back a client who's stopped booking

Write a short, friendly message to a client, [name], who hasn't booked for [weeks]. Say I've noticed, ask how they're getting on, and offer [a free check-in call / a session at the usual price]. No pressure, no guilt, under 300 characters, British spelling.

10. Ask for a Google review

Write a short message to [client name] thanking them for training with me and asking if they'd leave an honest Google review here: [link]. Easy to say no, no free session or gift for a review, under 300 characters, British spelling.

Don't offer anything in return for reviews: see can Google detect fake reviews?

Before you use anything

• Check rules against the source, not the AI's version.
• Keep client health information out of AI tools.
• For booking and payment tools, see AI tools for personal trainers.

FAQ

Is a PAR-Q or health questionnaire special category data?

Information about a client's health, injuries or medication is health data, which the ICO treats as special category data with extra rules.

Can I post a client's weight loss on Instagram?

Only with their permission, and the claim must be genuine, give the time period, and be compatible with good medical practice. The ASA says more than 2lb a week is unlikely to be acceptable for people who are overweight.

Do I need a music licence for my fitness classes?

If you play music in classes at a venue such as a village hall or community centre, PPL PRS says you'll need TheMusicLicence.