The primary objective is to show that multiple transportable carbohydrate ingestion is more effective in improving endurance performance compared to single transportable carbohydrate ingestion.
Inclusion Criteria:
Males aged 18 to 60 years
A history of competitive triathlon performance (≥ 2 years)
Participation in at least four competitive triathlon events within the past 2 years
Be in regular training for triathlon events
A personal best time for a standard ½ Ironman race (1.9 km swim, 90 km cycle, 21.1 km run) in the last year of either:
Alternatively, if not competed in ½ Ironman in the last year, at least one standard distance triathlon (1.5 km swim, 40 km cycle, 10 km run) within the last 12 months:
Available to compete in the ½ Ironman events and complete all study requirements
Experienced in using carbohydrate supplementation, as gels, bars, and drinks in training/racing, specifically at rates ≥60-90g/h)
Experience of specific formulations may include both or only multiple and single transportable carbohydrates, thus a full assessment would be made prior to recruitment to ensure balance during randomization and account for any association with the primary outcome
Obtained his (or his legal representative's) informed consent.
Exclusion Criteria: