Here are some links to an assortment of racing and training videos on YouTube, which may be of interest:

Michael McNamara demonstrates his super smooth roll gybes and roll tacks:-

Boat Speed Fundamentals from the RYA Dinghy Show 2020 by Jonny McGovern, Luke Patience and Chris Grube:-

Downwind Sailing Tips:-

Strategy and Techniques by Nick Thompson, Olympic Laser sailor (and two time World Champion) but mostly applicable to Wayfarer racing as well:-

Sailing Fitness – Warm Up:-

Twin spinnaker poles and guys on a Wayfarer:-

Michael McNamara rig tuning presentation from RYA Dinghy Show 2016:-

Michael McNamara’s golden rules on how to sail fast:-

Michael McNamara on water tips from a training session in Denmark:-

More from the training weekend in Denmark:-

North Sails Wayfarer trim tips from a training session at Parkstone YC:-

Wayfarer racing from Denmark:-

North American Midwinters:-