Triathlon (Ironman) Nutrition Plan — Complete Guide

🥛 Protein 🧬 Amino Acids 🔬 BCAA ⚡ Pre-Workout 💊 Vitamins

🍽️ Nutrition Plan 🏁 Before the Competition 🔄 During Competition 🔁 After Competition 💊 Supplements

🏁 Nutrition Before the Race: Last 24 Hours

Timeline: 24 hours to go

24 hours before: Carbohydrate loading continues. Rice, pasta, potatoes. Drink plenty of water with electrolytes. 18 hours before: Registration, equipment check. Have a snack. 12 hours before: Light dinner (until 19 val.). In small amounts so it doesn’t interfere with sleep. 4 hours before: Wake up. 500 ml water. Light breakfast.

What to Avoid

New, untried products on race day
Too much fiber (risk of diarrhea)
Fatty food (slow digestion)
Excess caffeine (dehydration, nervousness)
Alcohol (dehydration, sleep disturbances)

🥛 Protein 🧬 Amino Acids 🔬 BCAA 💪 Creatine 🔥 L-carnitine

❓ FAQ

How Many Calories Are Needed During an Ironman?

On average 8000–12000 kcal. ~4000–6000 is consumed during the competition, the rest from the body's reserves. Carbohydrate loading is essential.

What to Do if You Feel Nauseous During the Competition?

Switch to liquid carbohydrates. Drink plain water. Reduce your pace for 10–15 min. Nausea often means dehydration.

Can I Use the Organizers' Nutrition?

ALWAYS use your own tested nutrition. Organizer products are only a backup option. Nothing new on race day!

📚 Additional Resources

Want to learn more? We recommend these sources:

📱 Apps: Strava, Nike Training Club, MyFitnessPal — track your progress and nutrition.

: Sports nutrition and training literature in Lithuanian and English.

🎓 Consultations: Consult a sports nutrition specialist or personal trainer for an individual plan.

⚠️ Important: All information is for informational purposes only. Before starting a new training or nutrition program, consult a doctor or a certified specialist.

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