pool2lake Open Water provides professional swim coaching in the pool and the open water in the Hertfordshire area. Coaching is available for adult and junior swimmers.

Swimming in the open water challenges you both mentally and physically but with pool2lake coaching, you can achieve your swim goals whether recreational, wild swimming or competitive swimming like triathlons or marathons.

Transitioning from swimming in a pool to open water swimming in a lake or river or the sea can be a daunting experience and you may not know where to start. Having a positive transition from pool swimming to open water swimming is vital for your open water success, and pool2lake can help you with this.

The introductory sessions prepare you mentally and help you gain the confidence to embrace the open water safely. 

The pool technique sessions allow you to maintain an efficient front crawl, fitness levels, practice open water techniques so that they become second nature and make sure your stroke is fine tuned. 

Open Water Introduction
Pool-based Techniques
Open Water Fitness
1-1 Sessions
Open Water
1-1 Sessions
Open Water Refreshers


The group has been lovely and it’s been great to chat to the others and realise that everyone finds breathing difficult at first!  Some weeks I look at the sheet and think ‘I can’t do that’ but an hour later I’ve done it! Every week I drive home with a huge smile on my face.


February, 2020

"Heather's enthusiasm and passion makes swimming a joyful happy experience. Her knowledge and attitude are very reassuring in either the pool or the lake. I can't recommend her highly enough for anyone keen to enjoy swimming more."


October, 2019

Highly recommend Heathers classes.


February, 2020



I was born in Johannesburg, South Africa but moved to the UK in 2004, wanting an adventure.... we got one and still living it! I have always loved swimming and been inspired by friends to do open water swimming, this led me to complete my Swim England Level 2 open water qualifications, in 2016. I then did a further open water qualification with the STA, in May 2019 with Keri-anne Payne, two-time 10-kilometre open water world champion, and an Olympic silver medallist. Increasing my open water coaching knowledge with Keri-anne was valuable and allowed me to gain lots of knowledge to transfer to my swimmers.


Being selected to attend the 3 day Swim Smooth Coaches Coaching Education Course in Mallorca, June 2019 was another highlight and I was very honoured to attend. Being surrounded by Paul Newsome, Adam Young and 20 other swim coaches from around the world, who are passionate about swim coaching was exhilarating and a privilege.


I can relate to what a new open water swimmer feels. By listening to each swimmers’ fears, which are very real, I work through the triggers to overcome whatever is holding the swimmer back.


I have coached swimmers from where they have been too scared to swim in the deep end of a pool to swimming open water events. Coaching junior open water swimmers who want to test their long-distance swimming skills, to other juniors who just love swimming and want to experience the joys of being in a lake. I love the energy young swims bring to the lake. The open water is possible for any person who can swim.


pool2lake swimmers that have transitioned to the open water are so varied and have the most amazing stories. Some have beaten cancer, lost huge amounts of weight, wanting to prove they are never too old to try new activities, beating their Ironman swim times, swimmers doing side stroke and loving the water. My pool2lake swimmers are amazing!!!


Open water swimming is a journey where you grow your physical and mental strength. Your goals can be achieved with dedication and hard work. Pool2lake believe in training in the pool to correct stroke faults and then having a positive transition to the open water.


Heather Schelhase

Open Water Swimming instructor



United Kingdom

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