Complex sentence: Aled Williams, who has been involved in the sport for over twenty years, and Tiderace are keen to support fellow sea kayakers and have recently sponsored Patrick Winterton in his 2009 completion of the Celtic Tidrace expedition.
Split into simpler sentences: Aled Williams, who has been involved in the sport for over twenty years, supports fellow sea kayakers through company sponsorship. Tiderace sponsored Patrick Winterton in his 2009 completion of the Celtic Tidrace expedition.