Two swimmers doing freestyle, seen from under the water

Rotterdam · Den Haag · Dordrecht · Online

Swim stronger, smoother & with confidence

Technique-focused coaching for beginners, triathletes and everyone in between – in a group, one-on-one or online. Your goal is my mission.

Winter Special Nov & Dec: Swim Club · Triathlon Club · Learn to swim from 27 Oct Find your level →

Find your training

Find your level

From full beginner to triathlon race prep. Pick a location and what you're looking for, and you'll see right away which trainings match.

Where do you want to train?

What are you looking for?

Swim Club

Advanced swimmers

More than a
swim lesson

A weekly coached swim session in a small, friendly group. Join any time – no fixed course dates, no waiting for the next block.

A real community

Train in a fun, dynamic group, share the lane with familiar faces and build friendships along the way.

Progress that lasts

Keep improving week after week and grow real confidence and skills in the water over time.

TechniqueEnduranceSpeedPacing

Your goal, your pace

Training for a triathlon or just swimming for fun? Lanes are set by pace and level, with fun challenges to keep every session fresh.

November – December

Winter Special

Before the monthly membership starts in January, the Swim Club runs on fixed dates in November and December. Book all dates and save, or just book the dates that suit you.

Rotterdam · Sundays 16:30 – 17:30

5 sessions at Oostervant

Oostervantstraat 25, Rotterdam

8 Nov22 Nov29 Nov13 Dec20 Dec
€130for all 5 dates – save €20

Or single dates for €30 each.

Book Rotterdam
Den Haag · Mondays 21:30 – 22:30

6 sessions at Overbosch

Vlaskamp 3, Den Haag

2 Nov9 Nov23 Nov30 Nov7 Dec14 Dec
€160for all 6 dates – save €20

Or single dates for €30 each. Still have lessons left from the 8-week course? They count towards these dates – just message me.

Book Den Haag

Paid in advance. Missed sessions can't be refunded or moved. Pool entry included.

From January 2027

The ongoing Swim Club membership in Rotterdam and Den Haag.
Perfect for trying out

3-session trial pass

€75 for 3 sessions
  • Three coached swim sessions
  • Valid for six weeks
  • Experience the training and meet the group
Start a trial
For occasional swimmers

Single session

€30 per session
  • One coached swim session
  • Book when it suits you
  • Subject to availability
Book a session
Rotterdam · Sundays

16:30 – 17:30 · Oostervant

Den Haag · Mondays

21:30 – 22:30 · Overbosch
Swim Club and beginner freestyle course in one group

Pool entry is included in all prices. Better value: an 8-week course costs €105 per 4 weeks – membership is €95 per month.
Finish line of a triathlon race at sunset

New · Rotterdam

Triathlon race prep

Triathlon Club

A weekly swim session designed for triathletes. We work on technique, endurance, speed and pacing, plus the open water skills you need on race day. Train with people who share your goal and get to the start line well prepared.

  • Sundays 18:30 – 19:30 · Oostervant, Rotterdam
TechniqueEnduranceSpeedPacingOpen water skills
More info & join

Courses

Learn step by step

Small groups, clear explanations and personal feedback – including video – so even complex technique feels achievable.

Swimmer at the start of a lane
New · starts 27 OctDen HaagAdults
Full beginner

Learn-to-swim course

For adults of any age who want to learn to swim or finally feel safe in the water. We train in a shallow pool with helpful equipment, and I'm in the water with you for extra support and a safe feeling. In eight calm, small-group lessons you learn to float, breathe and move with confidence.

  • Tuesdays 19:15 – 20:15 · Overbosch
€229 / 8 lessons
Sign up
Sabrina coaching a swimmer at the side of the pool
RotterdamDen Haag
Freestyle beginner

8-week beginner freestyle course

Perfect for absolute beginners and intermediate swimmers who want to significantly improve their freestyle. Over eight focused lessons you learn the fundamentals of smooth, effortless and efficient swimming.

  • Sundays 17:30 – 18:30 · Oostervant, Rotterdam
    Next course: 8 Nov, 22 Nov, 29 Nov, 13 Dec, 20 Dec + 3 lessons in January
  • Mondays 21:30 – 22:30 · Overbosch, Den Haag
€210 / 8 lessons
Sign up
Swimmer diving off a starting block
Skill clinics

Specials

Focused one-off classes to work on a specific skill – like butterfly technique, flip turns, starts or other advanced skills. Dates are announced on Instagram.

Next date: soon
Follow for dates

All prices are per person and include pool entry.

Sabrina coaching a swimmer during a dryland exercise

1-on-1, all about you · Dordrecht

Personal swim lessons

Dedicated attention for total beginners, ambitious swimmers or anyone who wants a technique check-up every now and then. Bring a friend or two to share the lane and the cost.

LessonPrice
Private1 coach, 1 swimmer€65
Duoyou and one other person€45 p.p.
Small group3 or more people€35 p.p.

Prices per lesson, per person, pool entry included. Lessons available most days at Optisport Dordrecht.
Because I reserve and pay for the lane in advance, cancelling a booked lesson costs €30. Cancelling within 24 hours costs the full lesson price.

Ask for a time slot

Your coach in your pocket

Online training

Expert, flexible guidance wherever you are: personal swim plans, live mobility and core sessions and regular check-ins to prepare you for your next race.

Bronze

€50per month
Choose one
  • Weekly 60-min live session: check-in + mobility & core strength
  • or 4 swim plans per month, personally programmed towards your goal

Silver

€85per month
  • 4 swim plans per month, personally programmed towards your goal
Plus, choose one
  • Weekly 60-min live session: check-in + mobility & core strength (small group)
  • or 1-on-1 personal swim training, once a month

Gold

Most complete
€95per month
  • 1-on-1 personal swim training once a month, with video recording + analysis
  • 4 swim plans per month, personally programmed towards your goal
  • Weekly 60-min live session: check-in + mobility & core strength (private or small group)

Unsure which package is best for you?Book a free 15-minute intake call. All packages can be cancelled monthly.

Book a free intake call

Teams & what's next

More ways to swim

A group of swimmers smiling in the pool after training
For companies

Company swim training

A coached swim session for colleagues who want to work out together after a long day at the office. Get fitter, have fun and build a stronger team spirit – in the water instead of the meeting room.

Price on request
Ask for an offer
May 2027

Swim & triathlon camp

Join the performance swim camp for masters swimmers, triathletes and swim enthusiasts. Refine your technique, build strength and accelerate your development in a fun and sunny environment.

Details coming soon – message me to be the first to know.

Back in spring 2027

Outdoor training & open water

Outdoor training returns in March/April: strength and cardio in the fresh air with a great community.

Open water swimming returns in April/May: build confidence, endurance and technique beyond the pool.

Where & when

Weekly schedule & locations

Swim ClubBeginner freestyle courseLearn to swimTriathlon Club

Mon

21:30 – 22:30Swim Club & freestyle courseOverbosch, Den Haag

Tue

19:15 – 20:15Learn to swim (new)Overbosch, Den Haag

Sun

16:30 – 17:30Swim ClubOostervant, Rotterdam
17:30 – 18:30Beginner freestyle courseOostervant, Rotterdam
18:30 – 19:30Triathlon ClubOostervant, Rotterdam
Personal swim lessons · Mon – Sun by appointment at Optisport DordrechtPrices →
Swimming pool at Oostervant, Rotterdam
Rotterdam

Oostervant

Oostervantstraat 25
3021 PT Rotterdam
Swim Club · Beginner freestyle · Triathlon Club
Open in maps →
Swimming pool at Overbosch, Den Haag
Den Haag

Overbosch

Vlaskamp 3
2592 AA Den Haag
Swim Club · Beginner freestyle · Learn to swim
Open in maps →
Swimming pool at Optisport Sportbad, Dordrecht
Dordrecht

Optisport Sportbad

Fanny Blankers-Koenweg 10
3318 AX Dordrecht
Personal swim lessons
Open in maps →
Sabrina Karle sitting by an outdoor pool

About me

Hi, I'm Sabrina

I'm a former competitive swimmer and triathlete with over a decade of experience in the pool. I've always loved being active, being outdoors and trying different sports – always with discipline, a strong focus on growth and a lot of fun.

After school I turned my passion into my profession and became a swim coach and personal trainer. Since 2019 I've been working with athletes of all levels, from complete beginners to advanced swimmers, which has taken me around the world. Alongside my coaching degrees I've also studied sports and nutrition, so I can support you beyond the pool.

In late 2024 I moved to the Netherlands and coached high-performance swimmers at Blue Marlins for national and international competitions. Today I'm also a coach at Solid Health Club, where I give HYROX, HIIT and strength classes and work as assistant gym manager.

With Karle Coaching I focus on what I love most: personal, long-term coaching that helps you grow – whether you're just getting started or ready to take your swimming to the next level.

10+ yrscompetitive swimming
Since 2019coaching athletes
100%personal support

Feedback

What swimmers say

“

Very personal, detailed sessions that improved my swimming technique and flexibility. The coaching goes beyond the pool too: gym work, recovery and triathlon preparation. Structured and truly supportive.

CemIronman triathlete
“

Sabrina has the ability to break down all the different elements of freestyle into clear and enjoyable exercises. She teaches in a personal and helpful way, also using video recording. Her patient guidance makes even complex technique feel achievable. What I appreciate most is how she inspires my own motivation to challenge myself, grow and keep learning. Her course is both enjoyable and empowering.

SuzanneFreestyle course
“

One year ago I decided to start swimming. I had no idea what a catch phase was, didn't know how to breathe properly and had no clue about kicking. But I showed up again and again. Now 215 km in the water… Huge thanks to Karle Coaching for helping me refine my technique.

TimoPersonal swim lessons
“

As someone who trains a lot but also works long hours, I appreciate the flexibility of the online format. Sabrina's training made the difference. My core stability and posture improved noticeably, I'm running and cycling more efficiently and I have no more work-related aches. If you want serious results with minimal friction, this is the ideal setup.

ChristianOnline training
“

Having taken Sabrina's beginner freestyle course, I can now swim freestyle more comfortably and systematically. She explained each technique very clearly, with great detail and helpful demonstrations, and gave valuable personal feedback. At the start I had no idea what I was doing – after eight lessons I swim in a much more controlled way. I learned a lot and truly enjoyed it!

BorisFreestyle course
“

Charlotte loves training with Sabrina because it is technically precise, motivating and very personal. The sessions are intense and help her make noticeable progress without losing any of the fun. Communication and organisation – from the pool to dryland training to us parents – work smoothly. For ambitious swimmers, training with Sabrina is a clear recommendation.

Charlotte's parentsPersonal swim lessons
“

I loved the freestyle course so much, I signed up for it twice. It was great for improving my technique and also super fun – I looked forward to it every week. Sabrina is a wonderful coach: positive and encouraging while giving useful feedback. I improved, built up my confidence and developed a good swimming routine.

MajaFreestyle course
“

It was super fun and educational. Everything was explained step by step and we reviewed the information every lesson. Sabrina also explained why certain things matter, and I appreciated the personal attention and tips. The lessons went by super fast, which is a good sign!

FienFreestyle course
“

Training with Sabrina definitely improved my relationship with fitness. I always struggled to stay motivated on my own, but the structured sessions, a personal plan and adjustments when needed helped me build a routine I can finally stick to. Staying fit has never felt easier!

MariaOnline training
“

Sabrina is the best coach. I'm really enjoying the second freestyle course I'm following with her. It's fun and I learn a lot. She has a very motivating and clear way of coaching, taking everyone's personal experience into account. Very recommendable!

NanneFreestyle course

Follow along on Instagram

New course dates, specials, swim tips and my personal triathlon training.

@coachkarle_

Contact

Let's get you started

Questions or not sure what to choose? Send me a message and I'll get back to you today.

Thank you! Your message is on its way – I'll get back to you soon.