
Personal training · Rotterdam-NoordGet stronger without it taking over your life
Two hours a week, a plan that fits your job and family, and someone who keeps you on track. No mirrors full of selfies, just a quiet space under the old railway arches and training that works.
Free 30-minute trial session. No annual contract, your pass stays valid for three months.

About
I'm Sem
I've been a personal trainer since 2016, with a background in physiotherapy. I mostly train people between 30 and 60 who want to get stronger, have less pain or just feel fit again.
I train at most two people at a time. Technique first, weight later.
Sem KortekaasPersonal trainer, strength and lifestyle
Services
Ways to train

- 01
Personal training
One-to-one, fully tailored to your goal and body.
- 02
Duo training
With your partner, colleague or friend. More fun and cheaper.
- 03
Online coaching
A plan in the app and weekly feedback on your videos.
- 04
Lifestyle check
Sleep, food and stress, because training is only part of the story.
Why us
Why people stick with it
Two people at most
No group class where nobody watches your technique.
Physio background
I know what an old knee or back can and can't take.
Fits your week
Fixed slots from 6.30 am, so it becomes training, not a resolution.
How it works
Your first step
- 1
Trial session
Free, no obligation. We train for half an hour and talk about your goal.
- 2
Assessment
Strength, mobility and an honest talk about what's realistic.
- 3
Plan
A twelve-week programme with fixed slots in your diary.
Questions
Questions
Do I need to be fit already?
No. Most people start with little experience.
Where do we train?
In my space under the Hofbogen in Rotterdam-Noord, or outdoors in Vroesenpark.
Can I move a session?
Up to 24 hours before, free of charge.

Contact
Book your trial session
Leave your details and I'll message you within a day.
- Hofbogenpad 7
3039 KA Rotterdam - 010 555 0191
- [email protected]
- Mon to Fri 6.30 to 21.00 · Sat 8.00 to 12.00
Area we cover
- Kralingen
- Rotterdam-Centrum
- Hillegersberg
- Kralingse Bos
- Capelle aan den IJssel