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Tag Archives: Olav Aleksander Bu coaching

Triathlete Kristian Blummenfelt’s Amazing Training Journey from Olympic to Ironman Gold

From Olympic Gold in Tokyo to Ironman dominance across the globe, Kristian Blummenfelt has redefined what’s physiologically possible in endurance sport. His journey isn’t just about medals — it’s about mastering VO2 max, submax and fat oxidation, to conquer two very different racing formats. With the help of field-based metabolic testing using the VO2 Master analyzer, Kristian and his coach Olav Aleksander Bu have fine-tuned his training to push the limits of human performance.

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