How do I become a HIIT instructor?

Enrol on our T3 HIIT instructor course and earn a certificate in T3 HIIT, with our Qualification Guarantee™ behind you. You’ll learn to deliver all six T3 programmes and adapt every workout to your clients.

T3 HIIT is our series of six high-intensity interval training programmes, each an eight-week challenge built from research-based exercise complexes, with variables that change to keep clients progressing. As the coach, you can adapt every workout to your clients’ abilities.

What do I get once I’m certified in T3 HIIT?

Once you’re certified in T3 HIIT, you get over 170 T3 workouts in our app. Each workout comes with its video and is built from a 4-minute mobilisation routine, four 5–6 minute HIIT routines and a 4-minute active recovery routine. You also get programme cards to give your clients, so they can track their results.

Can I teach the T3 Swing programme?

Yes — to deliver the T3 Swing programme, you’ll also need a kettlebell qualification, such as our Kettlebell Training course .

What do I need to start a T3 HIIT course?

To start our T3 HIIT course, you’ll need a Level 2 fitness instructing qualification. Just send us a copy of your certificate when you enrol.

Can I do a T3 HIIT course online?

Yes — you can do our T3 HIIT course online in two ways. With Live-Virtual™, you join a tutor-led Training & Assessment Day live via Microsoft Teams. With Distance, you study at home and film your practical assessment with at least three participants.

Is there a T3 HIIT course in London?

Yes — our T3 HIIT course runs its tutor-led In-Person Training & Assessment Day at our London centre. Wherever you live, you can also join one live from home with Live-Virtual™, or study by Distance.

How long does a T3 HIIT course take?

How long a T3 HIIT course takes is set out in your TRAINPathway™. Once you’ve enrolled, you can set it up with TAIT™, our AI tutor, and you’ll have a week-by-week plan to get you qualified.

What does the T3 HIIT assessment involve?

The T3 HIIT assessment involves a practical assessment and a portfolio. With In-Person or Live-Virtual™, you complete your practical on your Training & Assessment Day. With Distance, you film your practical with at least three participants. Whichever you choose, you upload your portfolio to our Help Desk.

Is the T3 HIIT certificate recognised?

Yes — CIMSPA, the chartered professional body for UK sport and physical activity, recognises our T3 HIIT course as continuing professional development.

How much does a T3 HIIT course cost?

Prices for our T3 HIIT course are shown under Course prices . Pay in full when you enrol with Prompt Payment, and you get our lowest price. Or choose a Payment Plan and spread the regular price over 3 or 6 months with us at 0% APR — interest free. Other plans, up to 60 months, are also available (interest-bearing, subject to status). Either way, you start the minute you enrol, and our Price Match Promise™ means we won’t be beaten on price.

T3 HIIT Workout Course for Personal Trainers

The HIIT programmes your clients need. The certification we guarantee.

For 26 years, over 75,000 people have chosen TRAINFITNESS to build their fitness career.

Once you start, your TRAINPathway™ tells you what to do and when. MentorMe™ gives you expert support, 24/7. And our Qualification Guarantee™ covers it too — you will pass.

What you’ll be certified in.

The trainers whose HIIT classes stay full don’t make it up as they go. They run proven programmes that change every week, so clients keep progressing instead of hitting a plateau, and they adapt every workout to the people in front of them.

Our course gets you certified to deliver all six T3 programmes — each an eight-week challenge built from research-based exercise complexes — and, once you’re certified, gives you over 170 T3 workouts with videos and programme cards for your clients.

TRAINPathway™

Your step-by-step roadmap from enrolment to certification.

We don’t leave your progress to chance. Once you’ve enrolled, tell TAIT™, our AI tutor, how fast you want to get certified, and it builds your TRAINPathway™: a personalised, week-by-week plan to get you there.

From then on, you always know what this week should look like, right up to the day you pass. Life gets in the way? TAIT™ can rework your plan.

No guessing. No falling behind.

MentorMe™

The first and only courses with 24/7 tutor support.

TAIT™ is the first AI tutor in UK fitness education, and it’s ours: trained on your course and available around the clock. It will take you through anything you’re learning, as many times as you like. Ask at 11pm on a Friday and you get an answer in seconds, not on Monday.

When you want a person, your Success Coaches are qualified fitness professionals who know your course and have been where you are. Reach them by phone, email or our Help Desk, Monday to Friday.

Qualification Guarantee™

Follow the plan and you will pass.

Follow your TRAINPathway™, stay engaged and lean on MentorMe™ whenever you need it. Do that, and our guarantee takes care of you. And if you don’t pass an assessment, you can resubmit it free, as many times as it takes.

We don’t stop until you pass.

Three ways to get certified.

Start your course the minute you enrol.

Each live option combines home study with a live, tutor-led Training & Assessment Day, where you’re coached through the practical skills and complete your practical assessment.

Prefer no fixed attendance date? Distance has no Training & Assessment Day.

T3 HIIT Course

The HIIT programmes your clients need. The certification we guarantee.

What you’ll be certified in.

What you’ll learn.

You will pass. We guarantee it.

TRAINPathway™

MentorMe™

Qualification Guarantee™

Three ways to get certified.

In-Person

Live-Virtual™

Distance

Two ways to start.

Prompt Payment

Payment Plan

Course prices.

From people who did it.

Your questions, answered.