TL;DR: Lecka has launched a data-driven Race Nutrition Planner that calculates your specific carbohydrate, sodium, and fluid needs based on weight, gender, and race conditions. Built on ISSN and ACSM guidelines, it recommends precise products like Lecka Energy Gels and Bars to ensure you never bonk on race day. Try the Planner Here and enjoy a 10% discount (Code NUTRIPLAN10).
The Science of Endurance: Why "One Size Fits All" Fails
Most athletes follow generic fueling advice, but sports science has evolved. Your metabolic rate, sweat composition, and glycogen turnover are unique to your physiology and the environment you race in.
The Lecka Race Nutrition Planner was developed to bridge the gap between complex sports science and your training bag. Our engine is built on a deep analysis of current research, ensuring every recommendation is grounded in evidence.
Research-Backed Logic
Our algorithm is aligned with the following industry benchmarks:
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ISSN 2018 Consensus: Guidance on carbohydrate loading and transporter limits (SGLT1/GLUT5).
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Burke et al. (IOC 2019): Emphasis on duration-dependent fueling strategies.
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ACSM Guidelines: Standards for fluid replacement and electrolyte balance during intense exercise.
How the Planner Works: Personalization Factors
To give you a precise plan, our tool analyzes five critical variables:
1. Carbohydrate Targeting (Duration vs. Effort)
While many planners only look at how "hard" you run, the Lecka engine prioritizes race duration to target your gut's absorption capacity.
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10K Races: Targeted at ~45g/h.
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Marathons: Scaled to ~60g/h (standard) or higher for dual-transportable carbs.
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Ultras (100K): Increased to ~75g/h to account for prolonged energy deficit.
2. Sodium and Electrolyte Balance
Cramping is often a result of sodium imbalance. We use a weight-based formula (8 mg/kg/h) modified by your environment:
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Cool Conditions: 0.85x modifier.
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Hot/Humid Conditions: Up to 1.5x modifier to account for high sweat rates.
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Gender Factor: We apply a 0.9x modifier for female athletes, acknowledging physiological differences in average sweat rates.
3. Fluid Intake
Our fluid targets are clamped between 400ml and 1000ml per hour to prevent both dehydration and the risks of hyponatremia.
Your Personalized Race Strategy at a Glance
Below is an example of how targets shift based on the event:
| Race Type | Target Carbs (g/h) | Target Sodium (mg/h) | Recommended Lecka Products |
| Half Marathon | 60g | 400 - 600mg | Energy Gel Passion Fruit |
| Marathon | 60 - 75g | 600 - 900mg | Gel Coffee Cacao + Mango Bar |
| Ultra (50K) | 70g | 800 - 1200mg | Mixed Gels and Bars |
Note: Individual targets are calculated based on your specific weight and local race temperature.
Meet the Fuel: Lecka Product Integration
Once your targets are set, the planner selects the best products for your timeline:
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Energy Gel Passion Fruit: 27g carbs and 120mg sodium for steady energy.
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Energy Gel Coffee Cacao: 22g carbs with an added 80mg of caffeine for late-race mental focus.
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Energy Bar Mango Coconut: 25g carbs and 180mg sodium—ideal for pre-race fueling or the early stages of an ultra-marathon.
Frequently Asked Questions (FAQ)
Q: Why does the planner ask for my weight?
A: Sodium and fluid needs are highly dependent on body mass. Research suggests a baseline of 8 mg of sodium per kg of body weight per hour is optimal for most endurance athletes.
Q: How does temperature affect my nutrition plan?
A: Higher temperatures and humidity increase sweat rates significantly. The Lecka planner uses modifiers (up to 1.5x for heat) to ensure you are replacing lost electrolytes to avoid performance decline.
Q: Can I use this for trail running?
A: Yes. The planner allows you to select between road and trail running, adjusting the expected duration and effort levels accordingly.
Q: What is "Gut Training" mode?
A: Our planner includes a 70% intensity "training mode." This helps you practice your intake at a lower volume to "train your gut" to handle race-day carb loads without GI distress.
Ready to race faster?