Gareth Mitchelson Championships are held at the Cowal Gathering in Dunoon on the last Saturday in August each year. Whilst still at school Mitchelson was a member of the world-renowned British Caledonian Airways pipes and dance corps, performing at Scottish events all over the world. In 1985 Gareth and Deryck Mitchelson commissioned new work and music for inclusion in Glasgow's Mayfest dance festival and formalised this with the formation of the CelticSpirit Dance Company as a limited liability company. Other notable performances have included participation in many folk festivals and fiddlers' rallys, in the Capitol Theatre and His Majesty's Theatre in Aberdeen,
Glasgow Cowal Society Cup on four occasions and was captained Alex McKellar when they won the first playing of that competition in 1879. Indeed, in 2004 the club was represented by four of McKellar's great-great-grandchildren at the 100th final of the competition. In 1893, a game between Cowal and Kingussie was a major influence upon those who wished to formulise the rules of the game and to create a Camanachd Association. Cowal also appeared in the first ever Camanachd Cup Final but were defeated 2–0 in Inverness by Kingussie. The club was renowned for its "scientific" approach to the game, which initially