Good running shoes can help you run faster by improving running economy and reducing energy loss, especially through advanced foams and carbon plates. Studies show performance shoes can improve efficiency by 2–4%, helping runners maintain faster paces with the same effort. 

Below are five running shoes that are not just fast-looking, but lab-tested for running economy, oxygen cost reduction, and biomechanical efficiency. Each pick includes direct study references, so this stays editorial-grade, not influencer-grade. 

This guide breaks down the best walking shoes in the world, trusted across the country, with clear verdicts on who each shoe is perfect for, whether you walk for fitness, commute daily, or stay on your feet all day.

1. Nike Vaporfly Next% 2  

The OG speed cheat code (legal edition) 

Why it’s fast 

• ZoomX foam + carbon plate
• Proven reduction in oxygen consumption 
• Improved running economy by ~4%

What the science says 

• Hoogkamer et al. found Vaporfly models significantly improved running economy compared to traditional racing flats and trainers (Sports Medicine, 2018). 
• Subsequent biomechanical analyses confirmed reduced energetic cost at marathon pace (Medicine & Science in Sports & Exercise). 

Best for: 5K → Marathon 

Still the benchmark everyone’s chasing, talk about sole domination. 

2. Nike Alphafly Next% 2

More foam. More bounce. More “why does this feel easy?” 

Why it’s fast 

• Dual Air Zoom pods 
• Carbon Flyplate 
• Extremely high energy return for long distances 

What the science says 

• Studies comparing Alphafly to Vaporfly showed similar or slightly better economy preservation at longer distances, especially under fatigue (Journal of Applied Physiology, 2021). 
• Research also shows reduced ankle joint work, helping runners sustain pace late in races. 

Best for: Half Marathon → Marathon 

3. Adidas Adizero Adios Pro 3

Carbon, but make it anatomical 

Why it’s fast 

• ENERGYRODS align with foot bones 
• Lightstrike Pro foam for high rebound 
• Excellent force transfer at toe-off 

What the science says

• Research on carbon-rod systems shows improved mechanical efficiency and propulsion, especially for forefoot strikers (Footwear Science, 2020). 
• Independent lab testing found Adios Pro models competitive with Vaporfly in running economy gains.  

Best for: 10K → Marathon 

Pun check: Three stripes, zero wasted energy. 

4. ASICS Metaspeed Sky+ 

Designed for stride length runners (not cadence spinners) 

Why it’s fast 

• Carbon plate positioned for longer strides 
• FF Turbo foam 
• Built using motion-capture data from elite runners 

What the science says 

• ASICS-led studies show different shoe geometries benefit different running styles; Metaspeed Sky improves economy for runners who increase stride length when speeding up (Sports Biomechanics, 2022). 
• Lab tests show reduced hip and knee joint load at race pace.

Best for: 5K → Marathon (stride-based runners) 

5. Saucony Endorphin Pro 3

Fast without feeling “too much” 

Why it’s fast 

• PWRRUN PB foam
• Carbon plate 
• Smoother transitions, less aggressive feel 

What the science says 

• Carbon-plated shoes with high-rebound foam show lower metabolic cost and improved running economy versus non-plated shoes (Journal of Sports Sciences, 2020). 
• Saucony’s SPEEDROLL geometry shown to improve forward momentum efficiency. 

Best for: 5K → Half Marathon 

Final Advice 

Do good shoes make you run faster? 

Yes, by improving running economy (2–4%), not by adding raw power. 

What the studies agree on: 

• Carbon plates reduce energy loss 
• High-rebound foams lower oxygen cost 
• Lighter shoes = lower metabolic demand 
• Efficiency gains = faster times at the same effort 

Or in runner terms: 

Same engine. Better mileage. Faster finish. 

These shoes: 

• Amplify training 
• Reward good form 
• Help hold pace longer 

They don’t replace fitness, but they do make every stride count more.