Endurance Nutrition
Compare brands. Understand the science. Pick what works for your race.
Endurance Nutrition Brand Comparisons
Side-by-side data on gels, drinks, and bars. Price per gram of carb, ingredient breakdown, and race-day verdict.
Maurten vs Precision Fuel: Which Brand Fits You?
Maurten fixes GI tolerance with hydrogel tech. Precision Fuel fixes sodium with sweat-test personalization. Full specs and price-per-carb to help you choose.
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Maurten vs SIS: 2026 Energy Gel Comparison
SIS Beta Fuel costs 41% less per 30g carb ($2.16 vs $3.68). Maurten hydrogel earns its premium for GI-sensitive A-racers. Full specs, price data, verdict.
Read article →Best Endurance Nutrition Products
Ranked product picks for marathon, ultra, triathlon. Normalized cost, sodium, caffeine, format.
Best Energy Gels for Marathon 2026: Data-Driven Comparison
28+ gels ranked by price per 30g carb, sodium, and caffeine. Maurten leads pros; Carbs Fuel 50g at $1.50 — 60% cheaper per carb. Updated April 2026.
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Best Hydration Mix for Cycling: Ranked by Use Case
Skratch for heat; Maurten 320 for race pace (80g carbs, 460mg sodium, $1.69/30g). Data-ranked cycling hydration mixes by use case. Updated April 2026.
Read article →Endurance Nutrition Reference Guides
Evidence-based reference: carbs/hr, sodium/hr, glucose-fructose ratio, gut training.
Carbs Per Hour Running: Evidence Guide + Calculator
Most runners need 30-60g carbs/hr. Gut-trained athletes reach 80g/hr. Duration dose table, 8-week gut-training protocol, and real product carb counts.
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Glucose-to-Fructose Ratio: 2:1 vs 1:0.8 Explained
Why sports gels use 2:1 or 1:0.8 glucose:fructose ratios. The 1:0.8 ratio reaches 90 g/hr via SGLT1+GLUT5 dual transport. Brand table and how to choose.
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Sodium Per Hour for Endurance: Personalized Ranges
300-700 mg sodium/hr for most endurance athletes; heavy sweaters up to 1,500 mg/hr. EAH hit 13% of Boston finishers. Sweat-test ranges and product layering.
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