Sam Holness Super Sam's Double Dozen Join 'Super' Sam Holness fo his debut TRI247 ride, where the number '12' is key to the set. First, 12x 90 secs above FTP, working on expanding that threshold capacity, with a minute recovery. Then, with some fatigue in the legs, we go into 12minutes at Sweetspot effort, replicating longer course triathlon race pace, with tired legs! Are you reeady for the Double Dozen?! bike