KKalinPersonal Trainer · Sofia
Viber
Speaks fluent English & Bulgarian · Now taking new clients in Sofia

Train withKalin.Get results.

Your English-speaking personal trainer in Sofia. Certified 1-on-1 coaching at the gym at cost-effective, attractive prices — with private home-gym sessions available as an add-on. Built around your goals, with a plan that actually sticks. Perfect for expats and locals alike.

Tap to Call Text on Viber
0+
Clients Coached
0+
Sessions Done
0★
Client Rating
Kalin, personal trainer in Sofia, in a modern gym
★★★★★
5.0 Rating
From 47+ happy clients
Free Consultation
Goal-setting & assessment
Weight LossMuscle BuildingStrengthPrivate Home GymGym TrainingToningPosture Weight LossMuscle BuildingStrengthPrivate Home GymGym TrainingToningPosture
Why train with Kalin

Coaching that meets you where you are

First time in a gym or chasing a serious goal — every program is personal, progressive and built around your life in Sofia.

Tailored & Flexible

No copy-paste plans. Training built around your goals and history, progressed weekly — with sessions scheduled around your work and life.

Proven Results

Fat loss, lean muscle, strength, better posture — backed by real client transformations you can see below.

Gym Training, Great Value

Kalin trains primarily at Next Level Club gyms across Sofia — full equipment, expert coaching, cost-effective pricing. Private home-gym sessions available as an add-on.

English & Bulgarian

Kalin is fluent in English and Bulgarian — clear coaching and easy communication, whether you're an expat or a local.

Free tools

See where you stand & plan your goal

Two quick, friendly calculators. No sign-up — just instant answers and a clear next step with Kalin.

BMI Calculator

A friendly starting point — no judgement, just a number and what it means for you.

Goal Planner

Tell Kalin your target and see a realistic plan — how many weeks and how many sessions per week.

What Kalin offers

Personal training, your way

Training at the Gym

Full-equipment sessions at Next Level Club. Master every machine and free weight with hands-on coaching.

Learn more

Weight Loss

Sustainable fat loss without crash diets. Smart training plus simple nutrition habits that fit real life.

Learn more

Muscle & Strength

Build lean muscle and real strength with progressive overload, perfect form and a plan that keeps moving forward.

Learn more

Training App & Area

Every trainee gets a private online area with their full plan — follow it, self-train and track progress.

Learn more
Kalin coaching a client on a cable machine in Sofia
Hands-on coaching

Every rep, corrected in real time

Technique is everything. Kalin cues your form on every set so you train the right muscles, avoid injury and get more from every minute.

  • Form-first coaching on machines, free weights and bodyweight.
  • Progress tracking so every week is measurably harder.
  • Accountability that keeps you showing up.
Kalin explaining a training program to a client in Sofia
A real plan

Built for you, adjusted weekly

You'll never wonder what to do next. Your program is structured, explained and updated as you get stronger.

  • Personalised split matched to your goal and experience.
  • Simple nutrition guidance — no extreme diets.
  • Regular check-ins to keep you on track.
Real transformations

Drag the slider. See the difference.

Real clients who trained with Kalin in Sofia. Pull the handle to compare before and after.

BeforeAfter Male client before training with Kalin in Sofia Male client after transformation with Kalin in Sofia

Body recomposition

Lost fat, built visible chest, shoulder and arm muscle while getting stronger.

Leaner & stronger
BeforeAfter Female client before training with Kalin in Sofia Female client after transformation with Kalin in Sofia

Glute & lower-body shaping

Targeted strength training built shape and tone while improving posture.

Toned & confident
See more results
How it works

From first call to first results

Free Consultation

We talk goals, lifestyle and history. Kalin assesses where you're at — no pressure.

Your Plan

A training and nutrition plan tailored to you, for home or gym, around your schedule.

Train Together

Hands-on sessions with real-time coaching, form correction and steady progression.

Track & Adjust

We measure progress and fine-tune so results keep coming, week after week.

What clients say

Trusted across Sofia

★★★★★

"I'd never set foot in a gym before. Kalin made it completely approachable, fixed my form and kept me consistent. Down 11 kg and feeling amazing."

M
Maria G.Lost 11 kg · Home gym
★★★★★

"Best decision I made this year. The programming is smart and the sessions at Next Level fly by. I'm stronger than I've ever been."

D
Dimitar P.Strength & muscle · Gym
★★★★★

"Patient, motivating and genuinely knows his stuff. Kalin adapts everything to my busy schedule. Highly recommend to anyone in Sofia."

E
Elena V.Toning & posture

Ready to start?

Book your free, no-obligation consultation with Kalin today. Call or send a Viber message and let's map out your transformation.

Call +359 988 309 552 Text on Viber
Questions

Frequently asked

Where does Kalin offer personal training in Sofia?+
Both at your home anywhere in Sofia and at the gym. For gym sessions Kalin partners with Next Level Club, which has multiple modern locations across the city.
Can I train in my home gym?+
Kalin trains primarily at fully equipped Next Level Club gyms across Sofia. If you have a private home gym, sessions there are available as an add-on, programmed around your equipment.
I'm a complete beginner — is that okay?+
Absolutely. Many clients have never trained before. Kalin teaches everything step by step in a supportive, judgement-free way.
What about pricing?+
Kalin's gym coaching is offered at cost-effective, attractive prices with no contracts. The exact details depend on how often you train, and are explained simply during your free consultation.
How do I book?+
Tap to call or send a Viber message to +359 988 309 552. Kalin will arrange a free consultation.
Call Kalin Viber