CrossFit Sero
Gym · Alkmaar
5.069 reviews · GoogleCrossFit Sero in Alkmaar is listed under Gym. The listing shows 28 services. Prices start at €17.50. On Google it has 5.0 out of 5 from 69 reviews.
About CrossFit Sero
CrossFit Sero is a gym in Alkmaar. Its classes include CrossFit, HYROX, Calisthenics, Barbell and Strength, and yoga.
Classes
Classes are held in groups of up to 12 members. Coaches provide personal guidance.
- CrossFit
- CrossFit 60+
- CrossFit Teens (10–14 and 14–17 years)
- Parent & Child CrossFit
- HYROX
- Barbell and Strength
- Calisthenics
- Yoga
Coaching
Sero Nutrition & Lifestyle coaching offers programmes covering nutrition, lifestyle, exercise and hormonal factors. There are programmes for pregnant women and women who have recently given birth.
- SeroFit – Complete
- SeroFit – Balance 40+
- SeroFit – Challenge
- SeroFit – Post Partum
- SeroFit – Personal
- Online programme to lose kilos
Workshops
The Wim Hof method is offered as a workshop several times a year and can also be organised on request.
- Wim Hof method
Practical information
The gym is open seven days a week. Members sign up for classes through the Sportbitmanager app.
- Coffee, tea and water included with the 6-credit membership
- Open gym available with the 9-credit membership
Services and prices
CrossFit
- CrossFit
- CrossFit 60+
- CrossFit Teens (10 to 17 years)€55.50
- Parent & Child CrossFit class€65
HYROX training
- HYROX
Strength training
- Barbell & Strength
- Weightlift
- Calisthenics
Yoga class
- Yoga
Nutrition lifestyle coaching
- SeroFit – Complete
- SeroFit – Balance 40+
- SeroFit – Challenge
- SeroFit – Post Partum
- SeroFit – Personal
- Online programme to lose kilos
Cold exposure training
- Wim Hof method workshop
Fitness membership
- 6-credit membership€62.50
- 9-credit membership€91
- 15-credit membership€101
- 21-credit membership€111
- 27-credit membership€133
- 10-session card for individual classes€160
Show all 10 services
- 5-session Parent & Child card€65
- 10-session card Pre-teens/ Teens€120
- CrossFit Teens 15x per month€79.50
- CrossFit Teens 9x per month€69
Personal training
- Personal training45 min · €69
Group classes
- Drop-in individual class€17.50
Prices are indicative. Check with the business before you go.
At a glance
| Listed under | Gym |
|---|---|
| Location | Zijperstraat 19- 21 - 23, 1823 CX Alkmaar |
| Number of services | 28 |
| Prices | €17.50 – €160 |
| Google rating | 5.0 out of 5 (69 reviews) |
| Weekend | Saturday, Sunday |
| Phone | 06 17283510 |
| Website | crossfitsero.nl |
| Last updated | October 2026 |
Good to know
- Free intro
- Yes
Ratings
- 5.0Google69 reviews
Ratings belong to the platforms named. Read the reviews there.
Frequently asked questions
What does CrossFit Sero offer?
CrossFit Sero lists 28 services, including CrossFit, CrossFit 60+, CrossFit Teens (10 to 17 years), Parent & Child CrossFit class and HYROX.
Where is CrossFit Sero?
At Zijperstraat 19- 21 - 23, 1823 CX Alkmaar.
When is CrossFit Sero open?
Monday 06:00–13:30, 16:00–21:30, Tuesday 06:00–13:30, 16:00–21:30, Wednesday 06:00–13:30, 16:00–21:30, Thursday 06:00–13:30, 16:00–21:30, Friday 06:00–13:30, 16:00–20:00, Saturday 07:30–12:30, Sunday 07:30–12:30. Check with the business before you go.
How do I book with CrossFit Sero?
Call 06 17283510. Or contact the business through its website.
How is CrossFit Sero rated?
On Google, CrossFit Sero has 5.0 out of 5 from 69 reviews.
This listing is based on public information, such as the business's own website. It can contain mistakes.
Contact
Zijperstraat 19- 21 - 23, 1823 CX Alkmaar
CrossFit Sero does not manage this listing yet. Contact the business directly.
The map loads from Google Maps when you open it.
Opening hours
| Monday | 06:00–13:30, 16:00–21:30 |
|---|---|
| Tuesday | 06:00–13:30, 16:00–21:30 |
| Wednesday | 06:00–13:30, 16:00–21:30 |
| Thursday | 06:00–13:30, 16:00–21:30 |
| Friday | 06:00–13:30, 16:00–20:00 |
| Saturday | 07:30–12:30 |
| Sunday | 07:30–12:30 |
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