Running faster for longer isn’t just about lacing up and hitting the pavement harder.
According to sports scientist and former professional triathlete Nicholas, the secret lies in understanding the exact science behind speed, endurance, and recovery.
In a recent video breaking down performance optimization, he revealed that most runners focus on the wrong things—and waste money on gear that doesn’t actually improve results.
From biomechanics to nutrition, here’s everything you need to crush your next personal best without getting injured.
Jump to:
- The Biomechanics of Speed: What Actually Matters
- Training Zones Simplified: The Science of Intensity
- Periodization: The Big Picture Strategy
- VO2 Max Isn’t Everything—Running Economy Is
- Recovery Is Non-Negotiable
- Nutrition: The Right Fuel at the Right Time
- Gear That Actually Makes a Difference
- The Bottom Line
The Biomechanics of Speed: What Actually Matters
Speed boils down to two factors: stride length and stride frequency. But common beliefs about running form don’t always hold up under scientific scrutiny.
Ground contact time—how long your foot stays on the ground—has long been considered critical. A 2024 meta-analysis, however, found it has no measurable effect on running economy.
If you want something simple that actually works, this is one of the most effective tools I’ve used to build strength, conditioning, and endurance without needing a full gym setup.
- Full-body training with one weight using swings, squats, and presses
- Solid cast iron build that feels stable and lasts for years
- Comfortable grip that makes high-rep workouts easier to handle
Cadence Matters More Than You Think
Step frequency, on the other hand, does make a difference. Runners who take more steps per minute tend to be slightly more efficient.
A 2022 meta-analysis revealed that increasing step rate by 10% can reduce impact on knees and hips. If you currently run at 160 steps per minute, boosting that to 176 could lower overuse injuries significantly.
But the biggest factor? Vertical movement.
Excessive bouncing wastes energy. Reducing unnecessary vertical oscillation improves running economy because more energy goes toward forward propulsion instead of up-and-down motion.
Still, biomechanics only explain 4 to 12% of performance differences between runners. Fitness level and muscle efficiency play much bigger roles.
Training Zones Simplified: The Science of Intensity
Training zones can sound confusing—three zones, five zones, seven zones. Nicholas simplifies it down to three scientifically-backed zones based on lactate accumulation.
If you want something simple that actually works, this is one of the most effective tools I’ve used to build strength, conditioning, and endurance without needing a full gym setup.
- Full-body training with one weight using swings, squats, and presses
- Solid cast iron build that feels stable and lasts for years
- Comfortable grip that makes high-rep workouts easier to handle
Lactate is a molecule your body produces as training intensity increases. Two key thresholds divide training zones:
- LT1 (Aerobic Threshold): Where lactate begins accumulating in your blood
- LT2 (Anaerobic Threshold): Where lactate rises steeply
This creates three zones: Zone 1 (below LT1), Zone 2 (between LT1 and LT2), and Zone 3 (above LT2).
Without lactate testing, approximate zones using heart rate: Zone 1 is below 70% of max heart rate, Zone 2 is 70-90%, and Zone 3 is above 90%.
How to Distribute Training Intensity
Three proven training intensity distributions (TID) dominate endurance science:
- Pyramidal: 80% Zone 1, 15% Zone 2, 5% Zone 3
- 80/20: 80% Zone 1, 0-5% Zone 2, 15-20% Zone 3
- Threshold: 55-60% Zone 1, 35%+ Zone 2, 0-5% Zone 3
But here’s the catch: you shouldn’t stick to one forever.
Periodization: The Big Picture Strategy
Elite athletes don’t train the same way year-round. They use periodization—changing training focus across different phases to peak at the right time.
If you want something simple that actually works, this is one of the most effective tools I’ve used to build strength, conditioning, and endurance without needing a full gym setup.
- Full-body training with one weight using swings, squats, and presses
- Solid cast iron build that feels stable and lasts for years
- Comfortable grip that makes high-rep workouts easier to handle
Four main phases structure most training plans:
- Base Phase: Build endurance (pyramidal model works well)
- Build Phase: Increase intensity and specificity (threshold training fits here)
- Peak Phase: Fine-tune performance with VO2 max and speed work (80/20 model)
- Taper Phase: Reduce volume, maintain intensity to absorb training adaptations
Periodization is the when and the how your training changes over time, and TID is how the training intensity is split up within each phase.
VO2 Max Isn’t Everything—Running Economy Is
VO2 max measures how much oxygen your body can use. It’s important, but not the ultimate predictor of race performance.
A 2010 scientific review found that running economy—how efficiently you use oxygen—often matters more. Think of it like fuel efficiency: two cars with identical engines perform differently if one burns fuel more efficiently.
So how do you improve running economy?
Strength Training Enhances Efficiency
A 2024 systematic review confirmed that strength training improves running economy in highly trained runners by increasing force production and reducing oxygen demand.
Best exercises include:
If you want something simple that actually works, this is one of the most effective tools I’ve used to build strength, conditioning, and endurance without needing a full gym setup.
- Full-body training with one weight using swings, squats, and presses
- Solid cast iron build that feels stable and lasts for years
- Comfortable grip that makes high-rep workouts easier to handle
- Squats
- Deadlifts
- Power cleans
- Bulgarian split squats (for balance and stability)
Plyometrics Unlock Energy Efficiency
Plyometric training—like box jumps, standing tall jumps, and bounding—teaches your body to use energy more efficiently during each stride.
Five Key Workouts for Speed and Endurance
- VO2 Max Intervals: 4×3 minutes at best average pace with 2-minute rest, or 10x800m all-out with 200m jog recovery
- Short Hill Sprints: 10-second bursts to build power
- Tempo Runs: 3×10 minutes at hard but sustainable pace near LT2
- Long Easy Runs: Build endurance and balance training intensity
- Coordination Drills: A-skips, B-skips, high knees to reinforce proper mechanics
Recovery Is Non-Negotiable
Overtraining tanks performance. A 2023 meta-analysis found runners need 21 days of tapering before races and a deload week every 3-4 weeks to avoid neuromuscular fatigue and injury.
Nutrition: The Right Fuel at the Right Time
A 2017 scientific review confirmed that carbohydrates are the most efficient fuel for high-intensity running. Protein supports recovery, but carbs drive performance.
Daily Carbohydrate Needs
- Light training days: 3-5g per kg body weight (1.4-2.3g per lb)
- Moderate days: 5-7g per kg (2.3-3.2g per lb)
- Heavy training/race days: 8-12g per kg (3.6-5.5g per lb)
For runs longer than 60 minutes, consume 30-60g of carbs per hour. With gut training, some athletes absorb up to 90g per hour.
Ultramarathons and Iron Man races are often referred to as eating competitions as much as endurance competitions. The athletes who can absorb the most carbs have a huge advantage.
Best carb sources during exercise: a 2:1 glucose-to-fructose ratio, found in most major sports drinks and gels.
Protein for Recovery
Aim for 1.6g of protein per kg body weight daily (roughly 1g per lb). Timing matters less than total intake—just spread protein across all meals.
If you want something simple that actually works, this is one of the most effective tools I’ve used to build strength, conditioning, and endurance without needing a full gym setup.
- Full-body training with one weight using swings, squats, and presses
- Solid cast iron build that feels stable and lasts for years
- Comfortable grip that makes high-rep workouts easier to handle
Hydration and Electrolytes
Even 2% body weight loss from sweat reduces speed and power. Daily needs: 35-45ml per kg body weight (0.5-0.7oz per lb), plus 500-750ml per hour of exercise.
During prolonged exercise, consume:
- 300-600mg sodium per hour
- 100-200mg potassium per hour
Race Day Nutrition Timeline
2-3 hours before: 1-4g carbs per kg body weight, 10-20g protein, low fat
During (if over 60 min): 30-60g carbs per hour, 300-500mg sodium, 100-200mg potassium
Post-race: 1g carbs per kg within 30 minutes, 20-40g protein, rehydrate with electrolytes
Gear That Actually Makes a Difference
A 2018 study found carbon plate “super shoes” improve running economy by 4% on average. Whether that’s worth the investment is personal, but the science supports the claims.
If you want something simple that actually works, this is one of the most effective tools I’ve used to build strength, conditioning, and endurance without needing a full gym setup.
- Full-body training with one weight using swings, squats, and presses
- Solid cast iron build that feels stable and lasts for years
- Comfortable grip that makes high-rep workouts easier to handle
Heart rate monitors and foot pods help with pacing, but excessive tracking can backfire and hurt performance.
Supplements Worth Considering
- Caffeine: Proven performance enhancer
- Beta-alanine: Improves endurance
- Creatine: May help sprints (less evidence for VO2 max)
- Ketones: Promising research, but not conclusive
Most other supplements lack strong evidence.
The Bottom Line
Running faster for longer isn’t about grinding out more miles. It’s about training smarter with periodization, optimizing biomechanics, fueling strategically, and recovering intentionally.
Focus on reducing vertical bounce, increasing cadence slightly, building strength and power through plyometrics, and structuring training around proven intensity distributions.
Pair that with proper nutrition—especially carbs and hydration—and you’ll set yourself up for sustainable progress and new personal bests.
