ONS Leefstijl & Trainingscentrum
Gym · Amersfoort
4.677 reviews · GoogleONS Leefstijl & Trainingscentrum in Amersfoort is listed under Gym. The listing shows 26 services. Prices start at €37. On Google it has 4.6 out of 5 from 77 reviews.
About ONS Leefstijl & Trainingscentrum
ONS Leefstijl & Trainingscentrum is a lifestyle and training centre in Amersfoort. It offers fitness, group classes, martial arts, Hyrox and mobility training.
Sports offerings
The centre offers activities for different ages and fitness levels. Trainers help with goals such as losing weight, building muscle, improving wellbeing and rehabilitation.
- Fitness
- Youth fitness
- Aikido
- Jiu jitsu
- Judo
- Tumbling judo
- Karate
- Kickboxing
- Kickfit
- Hyrox
- Hyrox Strength
- Bodybalance
- Bodycombat
- Bodypump
- Bodyshape
- Circuit training
- Hatha Yoga
- HIIT
- Pilates
- Yin Yoga
- Zumba
- Mobility training
Mobility training
Classes take place in small groups with trainers. They include exercises with and without equipment, with attention to breathing and relaxation.
- Functional movements
- Flexibility
- Balance
- Muscle control
Memberships
Memberships can be cancelled monthly and provide unlimited use of the sports facilities. There is a card to try the centre four times; young people can have three free trial classes.
- 24 months
- 12 months
- 1 month
- 4-visit introductory card
- 3 free trial classes for young people
Practical information
The centre is open seven days a week at Kosmonaut in Amersfoort.
- Monday to Friday: 08:15–22:30
- Saturday: 08:15–14:00
- Sunday: 09:00–13:00
Services and prices
Fitness membership
- 24-month membership€37
- 12-month membership€41.50
- 1-month membership€47
- 4-visit introductory card
- Fitness
- Youth fitness
HYROX training
- Hyrox
Strength training
- Hyrox Strength
Mobility training
- Mobility training
Martial arts training
- Aikido
- Jiu jitsu
- Judo
- Tumbling judo
- Karate
Kickboxing
- Kickboxing
- Kickfit
Group classes
- Bodybalance
- Bodycombat
- Bodypump
- Bodyshape
- Circuit training
- HIIT
Hatha yoga
- Hatha Yoga
Pilates
- Pilates
Yin yoga
- Yin Yoga
Dance classes
- Zumba
Prices are indicative. Check with the business before you go.
At a glance
| Listed under | Gym |
|---|---|
| Location | Kosmonaut 8-E, 3824 MK Amersfoort |
| Number of services | 26 |
| Prices | €37 – €47 |
| Google rating | 4.6 out of 5 (77 reviews) |
| Weekend | Saturday, Sunday |
| Phone | 033 456 7707 |
| Website | ons-ltc.nl |
| Last updated | 31 Oct 2026 |
Good to know
- Free intro
- Yes
Ratings
- 4.6Google77 reviews
Ratings belong to the platforms named. Read the reviews there.
Frequently asked questions
What does ONS Leefstijl & Trainingscentrum offer?
ONS Leefstijl & Trainingscentrum lists 26 services, including 24-month membership, 12-month membership, 1-month membership, 4-visit introductory card and Hyrox.
Where is ONS Leefstijl & Trainingscentrum?
At Kosmonaut 8-E, 3824 MK Amersfoort.
When is ONS Leefstijl & Trainingscentrum open?
Monday 08:15–22:30, Tuesday 08:15–22:30, Wednesday 08:15–22:30, Thursday 08:15–22:30, Friday 08:15–22:30, Saturday 08:15–14:00, Sunday 09:00–13:00. Check with the business before you go.
How do I book with ONS Leefstijl & Trainingscentrum?
Call 033 456 7707. Or contact the business through its website.
How is ONS Leefstijl & Trainingscentrum rated?
On Google, ONS Leefstijl & Trainingscentrum has 4.6 out of 5 from 77 reviews.
This listing is based on public information, such as the business's own website. It can contain mistakes.
Contact
Kosmonaut 8-E, 3824 MK Amersfoort
ONS Leefstijl & Trainingscentrum does not manage this listing yet. Contact the business directly.
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Opening hours
| Monday | 08:15–22:30 |
|---|---|
| Tuesday | 08:15–22:30 |
| Wednesday | 08:15–22:30 |
| Thursday | 08:15–22:30 |
| Friday | 08:15–22:30 |
| Saturday | 08:15–14:00 |
| Sunday | 09:00–13:00 |
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