Ardiles Runergize review

We believe that the Ardiles Runergize is a great choice for:

• Runners looking to try their first carbon-plated shoe without spending a fortune.
• Beginners who want an affordable racing shoe for their first races and faster workouts.
• Heel strikers who prefer a very high-drop design, as the Runergize delivers one of the highest drops we've ever measured in a racing shoe.

If you're looking for explosive bounce and top-tier energy return, the Runergize is unlikely to meet your expectations. However, considering its exceptionally low price, we think it was an impossible task anyway. If you can stretch your budget, we recommend the PUMA Velocity Nitro 4 or the adidas Adizero EVO SL. Neither features a carbon plate, but both deliver noticeably higher energy return at a reasonable price.

We also believe that the Runergize's extremely high drop makes it a poor match for midfoot and forefoot strikers. If you prefer a more moderate drop in a racing shoe, take a look at the ASICS Metaspeed Sky Tokyo or the KIPRUN Kipstorm Elite.

With 152 SA in the heel and 101 SA in the forefoot, the Ardiles Runergize delivers one of the largest heel-to-forefoot differences in shock absorption we've seen in the lab.

The heel offers an exceptionally impact-dampening ride, whereas the front may leave forefoot strikers wanting more protection for long runs or marathon distances.

The NF Elite supercritical foam midsole looked promising on paper. However, it falls short of modern super shoe standards, returning 57.1% rebound in the heel and 63.4% in the forefoot in our lab tests.

Given the Runergize's affordable price, these numbers should not be viewed as a major drawback. Premium PEBA and A-TPU foams are substantially more expensive, and energy return around the 60% mark is entirely expected in this price range. Even so, we have to admit that we expected slightly higher rebound...

One area where Ardiles truly excelled is maximizing the Runergize's stack height without exceeding World Athletics regulations.

WA set a limitation of 40 mm, and our measurements came in at 39.9 mm, an almost perfect match that pushes the legal limit while packing as much foam as possible under the heel.

In contrast, the forefoot is considerably thinner, offering just 25.1 mm of cushioning between your foot and the ground.

That leaves us with a massive 14.8 mm drop, making the Runergize an excellent choice for pronounced heel strikers looking for a racing shoe.

However, we believe that forefoot and midfoot strikers will find the drop simply too steep to complement their stride.

The NF Elite foam felt highly comfortable during our test runs, striking a pleasant balance between plushness and firmness.

Back in the lab, we sliced the shoe and measured the foam with our Asker C durometer. It registered 33.7 AC, confirming that Ardiles opted for a well-balanced formulation that should appeal to a wide range of runners and also avoids the potential instability in the heel.

Like most modern racing shoes, Ardiles designed the Runergize with a pronounced rocker geometry. The heel reminded us somewhat of the Nike Alphafly 3, while the forefoot features an early-stage rocker that rises progressively before reaching a final height of 5 cm.

The Runergize features a full-length carbon plate called the Power Fly Plate. It uses the now-familiar spoon-shaped forefoot design, with an even more pronounced upward curve than the one we first saw in Nike's Vaporfly series.

Thanks to our gel method, we're able to accurately measure the amount of space available inside the shoe.

As expected for a race-day model, the Ardiles Runergize delivered a below-average width of 93.9 mm in our first measurement. This was not surprising at all, since racing shoes are generally designed with a snugger fit than daily trainers to provide a more secure lockdown at faster speeds.

We also measured the width in the big toe area, where it reached 72.8 mm.

That's right around our current lab average and welcome news for runners considering the Runergize for Sunday long runs, especially given its outstanding heel shock absorption.

The Runergize features a paper-thin upper material with enough stretch to let the toes move and splay naturally without creating unwanted pressure.

That flexibility was reflected in our measurements, as the adaptable upper allowed us to record a generous toebox height of 29.5 mm.

Ardiles certainly has a fondness for catchy technology names, branding the outsole as UltraGrip+. Its layout follows the familiar pattern seen in many racing shoes, with a large CPU rubber section covering the forefoot and two smaller pods positioned under the heel that use the same compound.

There's also a large central cutout that exposes the Power Fly Plate while helping shave off a bit of weight.

We were not surprised to see a high score in our 30-degree stiffness test, as the full-length carbon plate plays a major role here. We ultimately recorded 20.8N.

There are two ways to look at the weight of the Ardiles Runergize. Considering its remarkably affordable price, its weight of 7.8 oz or 222g is entirely reasonable. However, when compared against other modern racing shoes, it also lands on the heavier side of the spectrum.

The Ardiles Runergize erased any doubts about breathability in our lab, earning a good score of 84 BR. Its HYPERskin monofilament mesh upper allows excellent heat exchange from inside the shoe to the outside, helping prevent blisters and hotspots on race day.

We kept the shoe in the same machine and switched to our drying potential test to measure how much moisture it could evaporate over a 3-hour period.

It achieved a solid 54% result, showing good moisture evaporation that should prove especially useful during hot or rainy races.

Like most shoes built for speed and racing, the Runergize offers limited stability. It lacks dedicated stability features, and although the carbon plate adds a small amount of guidance, we believe it's best suited only for runners with a neutral gait.

Interestingly, while the carbon plate adds substantial longitudinal stiffness, its effect on torsional rigidity is far less pronounced. In our test, it took just 11.4 Nm to twist the shoe in either direction, a noticeably lower result than we had expected.

The upper is engineered with performance as the top priority, which is another reason why the Runergize offers limited stability. Its highly-flexible construction earned the lowest possible score of 1 out of 5 in our heel counter stiffness test.

Afterwards, we grabbed our digital calipers once again to measure the platform dimensions. With a forefoot width of 114.2 mm, the Runergize sits close to the current lab average instead of adopting a more aggressive and narrow design.

On the other hand, the heel has a relatively narrow platform at just 83.3 mm.

While that's not unusual for a racing shoe and is actually wider than many competing models, we believe the Runergize's strong emphasis on heel strikers would have benefited from a slightly wider heel, even if it meant trimming a bit of width from the forefoot.

The Runergize features an exceptionally thin upper, especially around the toebox, so we had little doubt it would struggle in our durability test. After inspecting the damage, it was clear that the upper deserved the lowest possible score of 1 out of 5.

This result mattered even more to us, as racing shoes tend to develop holes around the heel long before the toebox, especially in a model like the Runergize with its generous toebox height.

Fortunately, the outcome here was much more encouraging, earning a strong 4 out of 5.

Racing shoes often use softer rubber compounds that sacrifice durability for grip, but that wasn't the case here. The UltraGrip+ outsole proved impressively resilient in our Dremel test, losing just 0.9 mm of material.

The outsole measures a solid 2.2 mm in thickness. While that's still below the overall lab average, many racing shoes use less than 2 mm of rubber, making this a relatively generous amount that also helps explain the Runergize's weight.

At 3.6 mm thick, the insole is slightly thinner than our current lab average. However, that's a very common characteristic among competition shoes.

If you're not a fan of the stock insole, you'll be pleased to know that it isn't glued in place and can be removed effortlessly.

We placed the Runergize in our freezer for 20 minutes and found that the NF Elite foam became 20% firmer. Combined with its moderate energy return, this result highlights the inherent limitations of EVA compared with more advanced midsole compounds.

Achieving stronger cold-weather performance requires a more advanced foam such as PEBA, TPEE or A-TPU, which would significantly increase production costs.

We spotted two small reflective elements on the heel. Since most competition shoes skip reflective details altogether, this was an unexpected bonus that we genuinely appreciated.

We also loved that Ardiles equipped the Runergize with toothed laces. Their added grip helps keep the knot secure, making it even harder to understand why some brands still omit this feature from super shoes that cost 2x or even 3x more than the Runergize.

The tongue is exactly what we'd expect from a shoe built for racing. Measuring just 0.5 mm thick, it's one of the thinnest we've ever tested, eliminating unnecessary weight while maintaining a distraction-free fit.

The tongue isn't gusseted, so you'll need to take a little extra care when putting the shoe on to keep it properly centered. But at the same time, we also recommend avoiding excessive lace pressure, as the ultra-thin, padding-free tongue offers very little protection over the instep.

We discovered an easy-to-grab pull tab, making the Runergize effortless to slip on. We also appreciated the smooth edges of the heel collar, which prevented irritation while adding almost no extra weight to the shoe.

The Ardiles Runergize may not win you over with explosive rebound or an ultra-light build, but it makes a compelling case through its remarkably affordable price. Finding another racing shoe with a full-length carbon plate at this price point is almost impossible, and it also delivers an outstanding upper and a durable CPU outsole to add even more value!