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Carbon-plated running shoes: what the research says

Carbon-plated running shoes lowered the energy cost of running by about 2% to 3% in a pooled analysis of 14 crossover trials, but the plate may not be the reason and runners' responses varied.

By RunFast · Updated · 11 min read

Do carbon plated running shoes work? On average they lower the energy cost of steady running: a 2026 meta-analysis of 14 crossover trials in healthy adults found that plated shoes lowered metabolic demand by about 2% to 3%, with a mean of 2.75%.1 Its authors rated the certainty of that evidence as moderate for running economy, metabolic cost and oxygen consumption.1 Improving running economy means reducing the metabolic, or energy, cost of running.2 Super shoes, as this guide uses the term, are what the review calls advanced footwear technology, which commonly combines compliant, resilient foams with a full-length carbon fibre plate that makes the sole stiffer to bend.1

The numbers you read elsewhere differ, for three reasons. A 4% figure comes from one 2018 trial, in which prototype shoes lowered the energetic cost of running by 4% on average in 18 high-calibre athletes.3 An energy saving is also not the same percentage as a time saving: in a trial of 18 male recreational runners on a treadmill, oxygen consumption was 4.3% to 4.4% lower in the Nike Vaporfly 4% than in their own shoes, while their 3-km time trial was 2.4% faster.4 A modelling paper predicts that, at world-class marathon pace, the percent gain in speed is about two thirds of the percent gain in running economy.2 And the plate itself is not shown to be the cause: the meta-analysis says its pooled evidence supports an association, but causality cannot be attributed to the plate alone.1 In a trial of 15 male runners, cutting the plate of a Vaporfly 4% did not significantly change running economy.5

So treat a plated shoe as a modest gain on race day that differs from runner to runner, and don’t read one comparison as your number. A viewpoint written for researchers says metabolic measurement devices are far from perfect, and that an individual’s response should rest on at least two same-day measurements.6 The research below measured lab tests and time trials, not months of training in the shoes, and it is not buying advice.

What makes a shoe a “super shoe”

What are carbon plated running shoes? In the research they are one kind of advanced footwear technology, which commonly combines compliant, resilient foams with a full-length carbon fibre plate that increases the shoe’s longitudinal bending stiffness, how hard the sole is to bend.1

Stiffness is not the only feature studied. A meta-analysis of 26 studies of footwear in general, not carbon plates specifically, found that shoes with high bending stiffness and high cushioning could improve running economy.7 A meta-analysis on bending stiffness compared plate shapes: running economy improved 3.45% with a curved plate compared with no plate, with no improvement in flat-plate shoes.8 That compares shapes, not whether the plate is carbon.

Do they lower the energy cost of running?

Pooled results

The 2026 meta-analysis compared plated with non-plated running shoes in healthy adults, across 14 crossover trials.1 Plated footwear lowered metabolic demand by about 2% to 3% across outcomes, with a mean of 2.75% and a range of 0.99% to 4.47%.1

A second 2026 meta-analysis included 17 randomised crossover trials with 281 participants.9 It found that advanced footwear lowered oxygen consumption compared with conventional shoes, with an effect size of g = -0.44.9 That is a standardised effect size, not a percentage, so it can’t be set beside the 2% to 3% directly.

A 2026 systematic review took in 14 experimental studies of footwear and running economy, some of them on technologies other than carbon plates.10 In it, carbon-fibre plate shoes with resilient midsole foams improved running economy by 2.6–4.2%.10

These are percentages of energy or oxygen cost at a set speed, not of race time.

Where the 4% comes from

In the 2018 trial, 18 high-calibre athletes ran in prototype shoes and in two marathon racing shoes.3 The prototypes lowered the energetic cost of running in all 18 runners tested, by 4% on average.3 The percent change did not depend on speed between 14 and 18 km/h, that is 4:17 to 3:20 /km (6:54 to 5:22 /mile).3

From energy to time

Some of the trials also timed a run. In the treadmill trial of 18 male recreational runners, each ran in the Vaporfly 4%, in racing flats and in their own shoes.4 Oxygen consumption was 4.3% to 4.4% lower in the Vaporfly 4% than in their own shoes.4 Their 3-km time trial was 16.6 s, or 2.4%, faster in the Vaporfly 4% than in their own shoes.4 Eleven of the 18 runners (61%) ran their fastest time trial in it.4

Across trials, the second meta-analysis found that advanced footwear also improved time-trial performance, a small effect (g = -0.23).9

Why isn’t a 4% energy saving simply 4% of speed? A modelling paper, based on published equations rather than a new trial, offers an explanation.2 Below about 3 m/s (5:33 /km, 8:56 /mile), it predicts that the percent gain in speed is slightly greater than the percent gain in running economy.2 At 5.5 m/s, world-class marathon pace, it predicts a speed gain about two thirds of the economy gain.2 That is a prediction, not a measured race result.

What the studies measured: who ran, in which shoes, and what changed
Study Who Comparison Result
Hoogkamer 2018 18 high-calibre athletes Prototype shoes vs two marathon racing shoes, 14–18 km/h Energetic cost 4% lower on average, lower in all 183
Hébert-Losier 2022 18 male recreational runners, treadmill Vaporfly 4% vs racing flats and their own shoes Oxygen use 4.3% to 4.4% lower and 3-km time 2.4% faster than in their own shoes4
Paradisis 2023 10 recreational athletes Saucony Endorphin Speed 2 vs a regular shoe, 9.4 and 11.5 km/h Oxygen use 3.9% lower at the slower speed, 5.0% at the faster11
Bolliger 2026 14 moderately trained runners, 6 men and 8 women Advanced footwear vs a traditional shoe, 7.5–12.0 km/h Savings even at very low speeds, and the difference did not depend on speed12
Madsen 2025 10 male distance runners, half marathon 75 ± 3 min A carbon-plated shoe vs another shoe, during 80-minute runs Better running economy in the plated shoe, with no difference in the change over the run13

Is it the plate?

How do carbon plated running shoes work? The research has not pinned the effect on the plate. The 2026 meta-analysis says its pooled evidence supports an association, but causality cannot be attributed to the plate alone.1

In one experiment, 15 healthy male runners ran at 14 km/h (4:17 /km, 6:54 /mile) in Vaporfly 4% shoes with the plate intact and with it cut, and running economy did not significantly differ between the conditions.5 Its authors suggest the savings likely come from a combination and interaction of the foam, geometry and plate.5 That was one shoe model, at one speed.

Against that, the bending-stiffness meta-analysis found a 3.45% improvement in running economy with a curved plate compared with no plate.8 So the evidence on the plate is mixed: the shoes as a whole lowered energy cost in trials, and which part does the work is not settled.

Do they work at slower speeds, and for recreational runners?

Two trials at recreational speeds found savings.11, 12 Whether the saving grows with speed is mixed.

In the first, 10 recreational athletes ran in a plated and a regular shoe.11 The speeds were 9.4 km/h (6:23 /km, 10:16 /mile) and 11.5 km/h (5:13 /km, 8:24 /mile).11 Oxygen consumption was 3.9% lower in the plated shoe at the slower speed.11 The difference was 5.0% at the faster speed.11

In the second, 14 moderately trained runners, 6 men and 8 women, ran at 7.5, 9.0, 10.5 and 12.0 km/h, from 8:00 to 5:00 /km (12:52 to 8:03 /mile).12 The authors say advanced footwear can provide meaningful metabolic savings even at very low running speeds.12 The difference between shoes did not depend on speed.12 But a prototype that mixed advanced and standard features showed no detectable difference from the traditional shoe.12

The reviews lean the other way. The 2026 meta-analysis of 17 trials reported larger gains at higher speeds, but its regression estimates were not statistically significant.9 The bending-stiffness meta-analysis found running economy improved more at higher speeds with stiffer footwear.8 The 2018 trial found the percent change independent of speed, over 14 to 18 km/h only.3

So the evidence doesn’t say slower runners gain less, or the same. Both trials at slow speeds were small.

How much does it vary between runners?

A lot. A 2023 paper, summarising earlier studies of advanced shoes against racing flats in sub-elite athletes, says not all athletes benefit, with performance changes from a 10% drawback to a 14% improvement.14

Its own experiment tested three advanced shoes against a racing flat on a lab treadmill.14 In seven world-class Kenyan male runners, the change in running economy ranged from an 11.3% drawback to an 11.4% benefit.14 In seven European amateur male runners, it ranged from a 9.7% benefit to a 1.1% drawback.14 Its meta-analysis still found an overall significant medium benefit compared with traditional flats.14

The treadmill trial of 18 recreational men reached the same view: its authors say responses to different shoes are individualised.4 Part of what looks like variation may be measurement: the viewpoint on single trials says metabolic measurement devices are far from perfect, and best practice is at least two same-day measurements of running economy.6

How to use this

What the research supports, and what it doesn't
Question What the studies found The limit
Do they lower energy cost on race day? About 2% to 3% pooled across 14 trials; 2.6–4.2% in a systematic review1, 10 Energy cost at a set speed, not race time
How much faster could I run? A model predicts a speed gain slightly above the economy gain below about 3 m/s, and about two thirds of it at 5.5 m/s2 A prediction, not a promise of a time
Do they help on slow runs? Savings at 7.5–12.0 km/h in 14 runners; larger gains at higher speeds in a meta-analysis12, 8 Mixed, and the slow-speed trials were small
Will they work for me? Responses are individualised; one runner’s response needs at least two same-day measurements4, 6 A single comparison can mislead
Should I wear them for every run? The authors of a 2026 review say long-term adaptations still need investigating10 Not studied in these trials

If you want to know how a plated shoe works for you:

For the training side of getting quicker, see what the research says about running faster and how a marathon training plan is built.

In RunFast

RunFast has no shoe feature: it doesn’t track or recommend shoes, and its paces don’t change with them. Paces come from your VDOT, worked out from a recent race result with Daniels’ model, and a plan doesn’t adjust them for footwear. If a new pair helps you race faster, enter the newer result.

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Where the evidence is thin or mixed

The 2026 systematic review calls the evidence heterogeneous and context-dependent.10 In the treadmill trial of 18 recreational men, the economy gain in the Vaporfly 4% was not significant against racing flats.4

One trial looked at longer runs. It studied 10 male distance runners, with half-marathon times of 75 ± 3 min, over 80-minute runs.13 The plated shoe again showed better running economy, and the change over the 80 minutes did not differ between shoes.13 Long-term adaptations still need investigating, the 2026 review’s authors say.10

Who was tested matters too. Several trials here tested men only: the treadmill trial of 18 recreational runners, the plate-cutting experiment and the 80-minute trial.4, 5, 13 The trials also tested particular shoe models, so don’t assume a result carries over to another shoe. The sources here are reviews, trials, a viewpoint and a modelling paper; none is a position stand.

This guide covers running economy and performance only, not injury.

Common questions

What are carbon plated running shoes?

Shoes that combine compliant, resilient foams with a full-length carbon fibre plate that makes the sole stiffer to bend, which reviews call advanced footwear technology.1

Are carbon plated running shoes worth it?

The research can answer only part of that. Pooled, plated shoes lowered the energy cost of running by about 2% to 3%, and a systematic review gives 2.6–4.2%.1, 10 Not all runners benefit: one paper, summarising earlier studies against racing flats in sub-elite athletes, puts performance changes between a 10% drawback and a 14% improvement.14 These studies measured lab running and time trials, not cost, how long a pair lasts or how you train in them.

Do they work if I’m a slower runner?

Two small trials found savings at slow speeds, down to 7.5 km/h (8:00 /km, 12:52 /mile).11, 12 A meta-analysis reported larger gains at higher speeds, but those estimates were not statistically significant.9 The evidence is mixed, and the slow-speed trials tested 10 and 14 runners.

Can I wear them every day?

The research here doesn’t say. It measured economy and time trials, and the authors of a 2026 review say long-term adaptations still need investigating.10

This guide is general information, not medical advice. If you have an injury, a health condition or are pregnant, ask a doctor or physiotherapist before changing how you train or eat.

Sources

  1. Kobayashi EN, de Toledo RRF, de Almeida MO, Sprey JWC, Jorge PB. Metabolic effects of carbon-plated running shoes: a systematic review and meta-analysis. Frontiers in Sports and Active Living. 2026. doi:10.3389/fspor.2025.1710224
  2. Kipp S, Kram R, Hoogkamer W. Extrapolating Metabolic Savings in Running: Implications for Performance Predictions. Frontiers in Physiology. 2019. doi:10.3389/fphys.2019.00079
  3. Hoogkamer W, Kipp S, Frank JH, Farina EM, Luo G, Kram R. A Comparison of the Energetic Cost of Running in Marathon Racing Shoes. Sports Medicine. 2018. doi:10.1007/s40279-017-0811-2
  4. Hébert-Losier K, Finlayson SJ, Driller MW, Dubois B, Esculier JF, Beaven CM. Metabolic and performance responses of male runners wearing 3 types of footwear: Nike Vaporfly 4%, Saucony Endorphin racing flats, and their own shoes. Journal of Sport and Health Science. 2022. doi:10.1016/j.jshs.2020.11.012
  5. Healey LA, Hoogkamer W. Longitudinal bending stiffness does not affect running economy in Nike Vaporfly Shoes. Journal of Sport and Health Science. 2022. doi:10.1016/j.jshs.2021.07.002
  6. Barrons ZB, Rodrigo-Carranza V, Bertschy M, Hoogkamer W. The Fallacy of Single Trials: The Need for Multiple Trials in Assessing Running Economy Responses in Advanced Footwear Technology. Sports Medicine. 2024. doi:10.1007/s40279-023-01991-1
  7. Xu L, Wang Y, Wen X. The role of footwear in improving running economy: a systematic review with meta-analysis of controlled trials. Scientific Reports. 2025. doi:10.1038/s41598-025-88271-2
  8. Rodrigo-Carranza V, González-Mohíno F, Santos-Concejero J, González-Ravé JM. The effects of footwear midsole longitudinal bending stiffness on running economy and ground contact biomechanics: A systematic review and meta-analysis. European Journal of Sport Science. 2022. doi:10.1080/17461391.2021.1955014
  9. Xiao Y, Hu X, Tian D, Qiu A. Effects of Advanced Footwear Technology on Running Economy and Endurance Performance: A Meta-Analysis. International Journal of Sports Medicine. 2026. doi:10.1055/a-2637-7283
  10. Alexe CI, Choudhary PK, Choudhary S, Saha S, Panaet EA, Alexe DI. Emerging sports footwear technologies and their effects on running economy, biomechanics, and performance: a systematic review. BMC Sports Science, Medicine and Rehabilitation. 2026. doi:10.1186/s13102-026-01721-w
  11. Paradisis GP, Zacharogiannis E, Bissas A, Hanley B. Recreational Runners Gain Physiological and Biomechanical Benefits From Super Shoes at Marathon Paces. International Journal of Sports Physiology and Performance. 2023. doi:10.1123/ijspp.2023-0115
  12. Bolliger A, Spengler CM, Beltrami FG. Impact of Advanced Footwear Technology on Running Economy at Slower Running Speeds: A Randomised, Cross-Over Investigation. Sports Medicine - Open. 2026. doi:10.1186/s40798-026-00977-3
  13. Madsen LL, Abel K, Hansen AA, Christensen PM, Lønbro S, Lundby C, Gejl KD. Persistent Improvements in Running Economy With Advanced Footwear Technology During Prolonged Running in Trained Male Runners. Scandinavian Journal of Medicine & Science in Sports. 2025. doi:10.1111/sms.70139
  14. Knopp M, Muñiz-Pardos B, Wackerhage H, Schönfelder M, Guppy F, Pitsiladis Y, Ruiz D. Variability in Running Economy of Kenyan World-Class and European Amateur Male Runners with Advanced Footwear Running Technology: Experimental and Meta-analysis Results. Sports Medicine. 2023. doi:10.1007/s40279-023-01816-1