Like most muscles in the body, the gastrointestinal tract also requires proper exercise.
Be sure to try out energy gel several times during daily marathon pace training.
On the one hand, it is to exercise the familiarity of the body with energy gel under marathon pace and heart rate (if nausea occurs during training, it is better not to eat it); On the other hand, it will make you more calm when eating glue during the competition.
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