800m Nutrition Guide
800m Nutrition Guide
Practical race nutrition guidance for light pre-race fueling, hydration and avoiding stomach heaviness, including before, during and after race advice.
Before The Race
- Eat a familiar carbohydrate-focused meal 2-4 hours before racing.
- Keep snacks light if you need something closer to the race.
- Avoid heavy, greasy or high-fiber foods before fast sessions.
During The Race
- No fuel is needed during an 800m race.
- Use your warm-up to sip fluids only if needed.
- Focus on feeling light, sharp and settled before the start.
After The Race
- Rehydrate after cooling down.
- Eat carbs and protein within a few hours, especially after heats or hard sessions.
- Replace sodium if you raced in hot conditions.
Hydration
- Hydrate normally across the day.
- Avoid over-drinking immediately before racing.
- Use small sips before warm-up in warm weather.
Common Mistakes
- Eating too close to the race.
- Trying caffeine or supplements for the first time on race day.
- Over-drinking and feeling heavy on the start line.
Race-Day Timing
- 2-4 hours before: eat a familiar carbohydrate-focused meal that digests easily.
- 30-60 minutes before: use only a small snack if you know it sits well.
- During the race: no fuel is needed.
- After the race: drink to thirst and eat a normal recovery meal within a few hours.
Practice The Plan
- Practice your pre-race meal before at least one hard workout.
- Keep foods familiar and avoid testing new caffeine, gels or supplements on race day.
- Write down meal timing, stomach comfort and race feel so you can repeat what works.
Practical fueling targets
These are practical ranges, not prescriptions. Adjust for body size, tolerance, weather, sweat rate and expected finish time.
| Situation | Target | Notes |
|---|---|---|
| Pre-race meal | Mostly carbohydrate, low to moderate fiber | The goal is to feel light and sharp rather than full. |
| During race | 0g carbohydrate | Fueling during an 800m race is unnecessary. |
| Recovery | Carbs plus protein within a few hours | Useful after heats, time trials or demanding speed sessions. |
Example Fueling Plans
- Morning race: Toast, banana or oatmeal 2-3 hours before, then small sips of water before warm-up.
- Evening race: Normal lunch, light carb snack 1-2 hours before if needed, then avoid heavy foods close to the start.
Fluid And Electrolytes
- Arrive hydrated rather than trying to catch up in the final minutes.
- Use small sips before warm-up in hot conditions.
- Avoid drinking so much that you feel heavy on the start line.
Methodology
How this nutrition guidance is written
- Nutrition guidance focuses on practical race-day planning: familiar foods, carbohydrate timing, hydration and recovery.
- Fueling needs vary by body size, sweat rate, climate, tolerance and expected finish time, so the guide favors ranges and practice over one fixed prescription.
- The guides are educational sports-nutrition content, not medical nutrition therapy.
Sources reviewed
- Sports Dietitians Australia distance running factsheet - Reference for distance-running fueling, including carbohydrate guidance for half marathon and marathon racing.
- Sports Dietitians Australia eating and drinking during exercise factsheet - Reference for practical carbohydrate intake ranges during endurance exercise.
- IOC consensus statement on exercise in hot and cold environments - Reference for heat, hydration and carbohydrate considerations during longer exercise.
- Victorian Institute of Sport endurance fueling guidance - Reference for practical 30-60g carbohydrate-per-hour guidance in endurance events.
Last updated June 2, 2026 by the PaceConverter editorial team. Read the editorial policy.
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Frequently asked questions
What should I eat before a 800m race?
Use familiar carbohydrate-focused foods before a 800m race. The exact amount depends on race time, duration, tolerance and how close the meal is to the start.
Do I need fuel during a 800m race?
No fuel is needed during an 800m race.
Should I practice 800m race nutrition?
Yes. Practice your nutrition and hydration approach before important races so race day feels familiar.