Event Registration You have to be a member of Cork Tri Club to register for any event. Tue Spin Classes - Mardyke 7pm 10wks 8Jan-12Mar Description: Spin class resume first week of January. Mardyke Starting 8th Jan @7pm for 10 weeks Mardyke class uses Lifefitness bikes with power meters and will be coached by Andrew. Cost 40e for 10 weeks. CTC members only We are sorry but registration for this event is now closed. Please contact us if you would like to know if spaces are still available. You have to be a member of Cork Tri Club to register for any event.