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 ...Continue Reading →