Charlotte McRae Masterclass Learn the Secret to Efficient Swimming. The block of six progressive sessions starts on Monday 6th June. These sessions are available to 8 members booking on a block booking basis of £48 which includes your normal session fee. This block of six specialised coaching sessions is designed to develop your swim stroke to enable you to use efficiency and translate effort into strong and fast swimming. Whether you feel the need to revisit your swim stroke or kick start your swim season, this block of sessions is open to all. Charlotte is an Olympic standard swimmer who has been coached by the best and has a high coaching pedigree. She has worked successfully with many in the club already. Her mix of high energy coaching, attention to detail and progressive sessions will move you forward as a swimmer.