Core classes
Core group exercise classes at Riverside Leisure Centre will tone and strengthen your abs, back and bum, improving your posture and helping with back pain.
Our instructors will guide beginners and challenge experienced class-goers.
The minimum age for classes is 14 year old, but classes marked with a * are for over 16s only.
You can also view our timetables on the Chelmsford City Sports app.
Les Mills Core
This is a 30-minute core training workout that delivers quick results for all fitness levels. Exercising muscles around the core, Les Mills Core provides the vital ingredient for a stronger body.
Standard prices
- 30 minutes: £8.70
- 45 minutes: £9.70
- 60 minutes: £10.90
Discounted
- 30 minutes: £8.10
- 45 minutes: £9.00
- 60 minutes: £10.00
Save money by upgrading to an ourChelmsford Plus or monthly Premium membership.
Standard prices
- 30 minutes: £7.40
- 45 minutes: £8.40
- 60 minutes: £9.60
Discounted
- 30 minutes: £6.80
- 45 minutes: £7.70
- 60 minutes: £8.70
Save money by upgrading to a monthly Premium membership
Our exercise classes are very popular, so we advise booking in advance.
You can:
- book online or via the app with an ourChelmsford card
- book by calling 01245 615050
- book when you visit Riverside
You can book onto classes:
- ten days in advance if you have a monthly membership
- seven days in advance if you have an ourChelmsford Plus card
- two days in advance if you have an ourChelmsford Lite card
You can also find out more about how bookings work.
- You will need to book a session in advance to guarantee your space.
- If you do not check-in, we will charge you the full amount for the session.
- Please make sure that you have registered your email address with us in order to book online.
- If you can't attend a class that you have booked onto, you must cancel at least two hours before it starts.
- You can cancel online or via the app, by calling 01245 615050 or in person.
- We will charge you the full amount for the class if you do not cancel in time, or if you do not attend.
- You will need to collect a ticket from reception when you arrive for your class.
- Monthly members can swipe through the barrier and register their attendance.
- You will not be allowed entrance to any class if it has already started.
- To allow time for changeovers, classes will finish five minutes before the advertised time.
Changing rooms
- There is a male group changing area and a female group changing area located by studio 2 on the first floor on your way to the sports hall.
- A Changing Places area is located by studio 1 on the first floor.
Lockers
- Lockers are located in the changing rooms by studio 2, and in the corridor between studios 1 and 2.
- Lockers in the dryside changing rooms are cashless, so you need to have locker access added to your Our Chelmsford card, wristband, or phone sticker. You can ask for this at reception. If you do not have an Our Chelmsford card already, you can buy one at reception for £2.
- Lockers in the corridor between studios 1 and 2 need a £1 coin or token to use (refundable).
- We check and empty the lockers every night. We will hold any items we find at reception for one week. We will then disposed of them if they have not been collected after this time.
