
That Triathlon Show Training structure, periodisation and the science of winning with Jan Olbrecht, PhD | EP#198
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Sep 9, 2019 Jan Olbrecht, PhD, a former elite swimmer and sports physiologist, dives into the science of winning, translating intricate physiology into practical coaching strategies. He discusses the importance of periodization in endurance training, revealing how to balance easy work with high-intensity efforts for optimal aerobic development. Jan shares insights on lactate testing and its role in customizing training plans. Through fascinating case studies of Ironman champions, he emphasizes that sometimes less training volume leads to better performance through enhanced recovery.
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Anaerobic Capacity Fuels Aerobic Growth
- Anaerobic (glycolytic) capacity supplies pyruvate needed by the aerobic system.
- Weak anaerobic capacity can limit aerobic development because the aerobic system lacks fuel.
One Quality Session Per Week
- For short-distance triathletes use one quality session per week in early build phases.
- Make three of four weekly sessions easy and include one session with short high-intensity spikes.
Don't Overdo Quality Work
- Avoid doing too much moderate-quality work because it raises aerobic power but reduces aerobic capacity.
- Balance quality with easy training to preserve engine capacity for long-term performance.


