Fitness Sessions

Our fitness session is an un-coached, un-lead session that allows you to practice your open-water swimming at your own pace, completing as many laps of the lake as you like in within the times specified.

This session is for experienced open-water swimmers. Anyone new to open-water swimming must attend a minimum of 1 skills session.


Saturday: 30th April – 17th September 2022

Time: 06:30 – 09:00

***Please check the booking link before paying for sessions as sessions are filling up.***


Please register no earlier than 30 minutes before your start time.

Price & Booking

£12 single session

£45 for a 5 session Fitness block – Sessions are non transferable between clients.

£80 for a 10 session Fitness block – Sessions are non transferable between clients.

£140 full season Fitness block – Sessions are non transferable between clients.

Please note we operate a registration system called Lakemate. It will cost you £10 to receive a band. If you lose or break your band you will have to purchase another one. You will need a band to swim with us.

Alternatively if you own a PoolMate Plus, this has the chip in to use the scanner so you will not have to purchase a band. 

To purchase please make your £10 payment to:
Barclays: Swim For Tri Ltd. Account number: 20625280. Sort code: 20 46 60. Please use your name as a reference.

(If you already have a Lakemate band you do not need to purchase another band.)

All sessions purchased in 2022 must be used in 2022.

Please buy and book your sessions online:

Book FITNESS sessions


Fitness sessions is for swimmers who have competed in open-water. You will need to be able to swim 1k without stopping to swim in the fitness group. If you have not swum in open water before then you will have to attend a minimum of one skills session.

You will be required to wear a wetsuit (SFT do not loan wetsuits) and a brightly coloured swim hat, (apart from red) SFT will have hats for sale for £6 on the day.

Lou Parker open-water charity race: 24th September 2022. Full details can be found HERE.

2022 at Stubbers

You need to book in advance a time slot of your choice. Please click on the BLUE book fitness sessions button to make your booking.
This will help keep queues down and smooth out the flow of people. Please observe the 2m distancing as you approach registration.
*** If you can not attend your session, please cancel your booking giving the system 24 hours notice so someone else can take your place.***
If you do not turn up or cancel giving less than 24 hours notice for your pre booked session, you will lose your session.

Please register in front of our blue gazebo and enter the water via the ramp.

You can still swim until the end of the session ie book to swim at 7:00am you can exit at 8:30am, book to swim at 7:30am and you can exit at 9:00am. Your choice. Arrive at 6:30am and you can start your swim at 7:30am, up to you. This is just to help spread out registration.

Please use the hand gel on exiting the water and scan your band at the registration gazebo.

Changing rooms will not be available. Showers will be available after 08:30am but you will need to pay £3 or have an annual membership with Stubbers to enter the main park. Portable toilets will be available.

If you need basic first aid please come to registration gazebo. Any other emergencies while in the water will be dealt with by the kayaks and lifeguards as normal.

Please adhere to social distancing to keep all of the SFT family safe at this time.

Swim For Tri at Stubbers Lake


Stubbers Adventure Centre
Ockendon Rd
RM14 2TY