Caffeine Before a 2K — SportsFlow Research

Composite Portrait

She drinks three cups of coffee daily but takes a caffeine pill before her 2k test because a teammate told

her it helps. She gets jittery, her heart rate is elevated before the start, and she fades in the third 500.

Caffeine works — but habitual users need higher doses, and too much becomes counterproductive for a 6–

Customized pre-race caffeine and nutrition protocols based on your tolerance profile.

This is a composite portrait. No individual is depicted.

SECTION I

What the Research Tells Us

Ganio et al. (2009) conducted a meta-analysis showing caffeine improved endurance performance by 3.3% on

average across studies. For a 2K rowing test averaging 6:30, this translates to approximately 12–13 seconds — a

Caffeine Response Window

3-6 mg/kg OPTIMAL

No effectOverstimulation

Caffeine Strategy

Timing	Dose	Effect	Note
60 min pre	3-6 mg/kg	Peak plasma	Standard
30 min pre	3 mg/kg	Rapid onset	Short events
During	1-2 mg/kg	Sustained	With carbs
Habitual	Higher end	Tolerance	Washout

meaningful margin. The optimal dose is 3–6 mg/kg body mass, consumed 45–60 minutes before the start to

Caffeine is the most widely used ergogenic aid in sport. For a 2K erg test or race, the

“

“Caffeine is a tool, not a weapon. Used precisely, it sharpens your race. Used carelessly, it creates anxiety and a heart rate you cannot control.”

— Noah Wickliffe, Flowbase

SECTION II

How the Flowbase AI Coach Helps

The Flowbase AI Coach learns your caffeine habits, calculates your optimal race-day dose based on body weight

and habituation status, and prescribes a caffeine taper protocol before key races. It prevents the mistake of

References

[1]Ganio, M.S. et al. (2009). Effect of caffeine on sport-specific endurance. J. Strength Cond. Res., 23(1), 315–324.

[2]Beaumont, R. et al. (2017). Does habitual caffeine intake influence the ergogenic effect? Int. J. Sport Nutr. Exerc. Metab., 27(6), 515–525.

[3]Goldstein, E.R. et al. (2010). ISSN position stand: caffeine and performance. J. Int. Soc. Sports Nutr., 7, 5.

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