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Ultra Running

14 articles

Sodium Loading for Multi-Day Ultra Running: A Stage-by-Stage Electrolyte StrategyNutrition

September 29, 2026  ·  12 MIN

Sodium Loading for Multi-Day Ultra Running: A Stage-by-Stage Electrolyte Strategy

Ultra-running sodium loading requires pre-race intake of 10-12 g NaCl per day for 3 days to expand plasma volume by 5-7%. During multi-day events, cumulative sodium deficit builds with each stage, requiring 10-15% daily intake increases and targets of 500-1000 mg sodium per hour adjusted for individual sweat rate.

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Practical Hydration Monitoring: Urine, Body Weight, and Biomarker TrackingHydration

September 27, 2026  ·  11 MIN

Practical Hydration Monitoring: Urine, Body Weight, and Biomarker Tracking

No single hydration biomarker tells the full story. Learn how to combine urine specific gravity (target below 1.020), morning body weight trends, and wearable sweat analysis to build a reliable multi-marker hydration monitoring system, including ultra-running-specific challenges where weight gain can mask cellular dehydration.

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Day-by-Day Tissue Repair Timeline After a 100K UltramarathonRecovery

September 27, 2026  ·  12 MIN

Day-by-Day Tissue Repair Timeline After a 100K Ultramarathon

A 100K ultramarathon inflicts quantifiable damage across every tissue system — from creatine kinase levels spiking to 10,000-50,000 U/L at 24-48 hours to immune suppression lasting 2-72 hours post-race. This evidence-based recovery timeline maps the repair process from hour 1 through week 6 and shows exactly when each system is ready for training load.

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How to Train for Vertical Gain in Ultra-Distance Mountain EventsTraining

September 26, 2026  ·  11 MIN

How to Train for Vertical Gain in Ultra-Distance Mountain Events

Mastering elevation gain is the difference between finishing strong and dropping at an aid station. This ultra-running vertical training guide covers progressive vert loading from 500m to 3000m per week, uphill strength exercises, eccentric downhill adaptation that cuts DOMS by up to 70%, and grade-adjusted pacing for mountain ultras with 3000-10000m of climbing.

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Ultra-Running Real-Food Nutrition for Races Over 12 HoursNutrition

September 24, 2026  ·  12 MIN

Ultra-Running Real-Food Nutrition for Races Over 12 Hours

Gel-based fueling becomes unsustainable after 8–10 hours of racing, with 60–70% of ultra-runners experiencing flavor fatigue and GI distress. Real-food strategies using potatoes, rice balls, nut butter wraps, and broth deliver 200–300 cal/hr with 40–60% lower GI complaint rates in races exceeding 12 hours.

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Ultra-Running Strength Training: Eccentric and Plyometric ProgramsTraining

September 20, 2026  ·  11 MIN

Ultra-Running Strength Training: Eccentric and Plyometric Programs

Eccentric strength training reduces downhill-induced muscle damage by 40–60% in ultra-runners, while plyometric work improves running economy by 4–8%. A structured program combining both modalities 2–3 times per week builds the muscular resilience needed for 50K to 100-mile races.

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Ultra-Running Hydration Crew Strategy: Aid Station Fluid PlanningHydration

September 20, 2026  ·  11 MIN

Ultra-Running Hydration Crew Strategy: Aid Station Fluid Planning

Crew-supported ultra-running hydration requires planning fluid delivery every 20–40 minutes with personalized electrolyte concentrations. Runners who pre-plan aid station fluid strategies experience 30% fewer GI issues and maintain 12–15% better pace consistency in the final third of 100-mile races.

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Ultra-Distance Recovery Periodization: A 3-Week Structural Rebuild PlanRecovery

September 17, 2026  ·  11 MIN

Ultra-Distance Recovery Periodization: A 3-Week Structural Rebuild Plan

Completing a 50-mile to 100-mile ultra inflicts deep physiological damage that requires a structured 3-week recovery periodization: week 1 for tissue repair and sleep restoration, week 2 for gentle progressive loading, and week 3 for return to structured training. Rushing this timeline increases injury risk by 35–45%.

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Ultra-Running Hyperhydration: Fluid Strategies Beyond 50 MilesHydration

September 15, 2026  ·  10 MIN

Ultra-Running Hyperhydration: Fluid Strategies Beyond 50 Miles

Hydration demands in ultra-running beyond 50 miles diverge sharply from standard marathon protocols. Sodium losses of 900–1800 mg/hr, the constant threat of hyponatremia, and the need for real-time body weight checkpoints require a distance-specific fluid strategy that adapts as the race unfolds.

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Neural Recovery After Marathons: Understanding Central FatigueRecovery

September 12, 2026  ·  9 MIN

Neural Recovery After Marathons: Understanding Central Fatigue

Central fatigue reduces voluntary muscle activation by 20-40% after a marathon, and full neural recovery takes 7-14 days — far longer than most athletes allow. Understand the neuroscience of post-marathon fatigue, the serotonin hypothesis, and evidence-based strategies to accelerate neural restoration.

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Ultra-Running Training: How to Build Your First 100K PlanTraining

September 10, 2026  ·  11 MIN

Ultra-Running Training: How to Build Your First 100K Plan

A structured 24-week 100K training plan builds weekly volume from 60km to a 120km peak week while incorporating back-to-back long runs of 40-50km. Learn the periodisation framework, vertical gain targets, taper protocol, and race-specific terrain strategies that separate finishers from DNFs.

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Ultra-Running Hydration: Self-Supported and Aid Station StrategiesHydration

September 8, 2026  ·  11 MIN

Ultra-Running Hydration: Self-Supported and Aid Station Strategies

Sodium losses during ultras reach 500-1000mg per hour across 12-30+ hours of racing. Learn flask vs vest hydration planning, aid station drinking protocols, overnight fluid shifts, and hyponatremia risk management for 50-100+ mile events.

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Fueling a 100-Mile Ultra: Calorie and Carb Targets by Race StageNutrition

September 6, 2026  ·  12 MIN

Fueling a 100-Mile Ultra: Calorie and Carb Targets by Race Stage

A 100-mile ultramarathon burns 8,000-12,000 calories over 20-30 hours. This stage-by-stage fueling plan covers calorie targets of 200-400 cal/hr, carb intake of 60-90g/hr, sodium needs, and how to manage the palatability shift that derails most runners after mile 60.

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Zone 2 Training for Ultra-Running: Building Your Aerobic EngineTraining

September 5, 2026  ·  12 MIN

Zone 2 Training for Ultra-Running: Building Your Aerobic Engine

Ultra-runners who keep 80%+ of weekly volume in zone 2 improve mitochondrial density by 20-40% and fat oxidation rates by 30%. Here is the complete guide to building your aerobic base for events from 50K to 100 miles.

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