Elevate Your Off-Season Training with the High Performance Amateur 12-Week Maintenance Plan The High Performance Amateur 12-Week Maintenance Training is designed for dedicated triathletes who have wrapped up their race season but refuse to let their fitness slip. This program is your key to maintaining a strong foundation, keeping you primed for the next phase of endurance training. Built on our proven 3/1 approach (three weeks of progressive load followed by one recovery week), this ...