Time vs. Energy: Using your Power Meter in Long-Course Triathlon

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What are you trying to optimize?

Time vs. Energy

In a half-Ironman, or an event in the 4-7 hour timeframe, between glycogen stores and exogenous carbohydrates ingested, most people can race without reaching a fuel-limiter.   Compared to a full-distance Ironman, it is a more forgiving event and you can have a good race without needing to take in a lot of calories.  In a race where you are less fuel-limited, than it pays off to optimize time over energy.

However, for events in ...

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