Fueling and Hydration for Long-Course Outrigger (OC)

Distance OC and long downwind runs reward fitness — but they're won or lost on fueling and hydration just as much. If your reach gets sloppy, your timing drifts, and your focus fades in the back third of a long race, it's tempting to blame conditioning. More often, the tank is running low and you're a little dehydrated. Both are fixable, and the fix shows up the very next time you're an hour deep.

Distance OC is a fueling problem

A long paddle is an endurance effort, and endurance effort runs on carbohydrate. When you run low, blood sugar dips, power drops, and your stroke and focus go with it. In controlled testing, taking in even a small amount of carbohydrate during prolonged exercise eliminated exercise-induced low blood sugar and improved time to exhaustion by over 20% (Prins et al., 2025). Translation for the canoe: deliberate fueling isn't a nice-to-have on long efforts — it's the difference between holding form and unraveling late.

Before the race, and the rhythm during it

Start topped up: a carbohydrate-focused meal 2–3 hours before, and steady fluids in the lead-up rather than chugging at the beach. Once you're going beyond about 60–90 minutes — or working hard — fuel before you feel empty. A simple rhythm carries a long race: a sip of fluid and a bite of carbohydrate roughly every 20 minutes, paired with a landmark or a timer so you don't quietly drain your energy and attention together. General endurance guidance lands around 30–60 grams of carbohydrate per hour for sustained efforts — a gel, a few chews, half a bar, or a carbohydrate drink.

Heat changes the math: electrolytes, not just water

OC paddlers spend long stretches in sun, glare, and heat, sweating out far more than water — and that's where cramps and fade often come from. Plain water alone doesn't replace what you lose. Hydrating with an electrolyte mix rather than water markedly reduced the incidence and severity of exercise-associated muscle cramps in endurance athletes (Kharait, 2022). On long, hot days, build electrolytes into your drink from the start rather than waiting until your calf seizes on the way back in.

After: refuel and rehydrate

The hour or two after you land sets up your next session. Pair carbohydrate with some protein, keep drinking to replace what you sweated out, and you'll recover far better than the paddler who waits until dinner — which matters when you're racing a heat schedule or training back-to-back days.

The bottom line

On long-course OC, fitness gets you to the start line; fueling and hydration get you to the finish with your form intact. Top off before, sip and bite on a 20-minute rhythm, lean on electrolytes in the heat, and refuel after. Do that and the back third of the race starts to feel like the front.

Want fueling and hydration built around distance paddling instead of a generic template? Explore the Nutrition pillar — and grab the free workbook to dial it in before your next distance day.

Evidence-informed guidance, not a substitute for individual medical or dietitian advice. If you have a medical condition or specific dietary needs, work with a qualified professional.

References

Kharait, S. (2022). A magnesium-rich electrolyte hydration mix reduces exercise associated muscle cramps in half-marathon runners. Journal of Exercise and Nutrition, 5(3). https://doi.org/10.53520/jen2022.103126

Prins, P. J., Noakes, T. D., Buga, A., Gerhart, H. D., Cobb, B. M., D'Agostino, D. P., Volek, J. S., Buxton, J. D., Heckman, K., Plank, E., DiStefano, S., Flaming, I., Kirsch, L., Lagerquist, B., Larson, E., & Koutnik, A. P. (2025). Carbohydrate ingestion eliminates hypoglycemia and improves endurance exercise performance in triathletes adapted to very low- and high-carbohydrate isocaloric diets. American Journal of Physiology-Cell Physiology, 328(2), C710–C727. https://doi.org/10.1152/ajpcell.00583.2024