Best Super Trainers for Running (40mm+) – Guide Summer 2026

Supertrainers are the most “out-there” segment of modern running shoes—constructions created without regard for World Athletics regulations, which limit stack height to 40 mm in competitions. Here, there is no such limit. These models are taller than what’s allowed in competitions. Instead, we get more cushioning, more responsiveness, and zero restrictions. In practice, this means even greater energy return, more aggressive geometry, and a completely different feel during long training sessions.

Who Is It For?

Supertrainers are for runners who want to take as much strain off their legs as possible during training, without sacrificing performance. These aren’t your typical everyday running shoes. They perform best during long runs, tempo runs, and interval training, where muscle protection and a quick, dynamic “push-off” are key. They provide a soft feel but also clearly propel you forward. Those who benefit most are regular runners with higher mileage and sound technique.

The second issue is the regulatory context. World Athletics sets the stack height limit at 40 mm for competitions. Supertrainers deliberately exceed this limit. These are “no-holds-barred” constructions: here you’ll find soles sometimes well over 40 mm, highly responsive foams, and aggressive geometry (sometimes with a plate, sometimes without). The goal isn’t compliance with regulations, but maximizing comfort and efficiency during training.

These shoes are perfect for runners who:

• who cover long distances and are looking for greater muscle protection
• training for a marathon or half-marathon
• wanting to combine cushioning with performance in a single shoe
• preferring high, “soft yet springy” soles
• running mainly on roads and hard surfaces
• looking for an alternative to carbon racing shoes for training

Technical Data Comparison

Overview of Super Trainers

adidas Adizero Prime X 3

We’ll start with the top-of-the-line model—the one that pushes the limits set by World Athletics the furthest. The adidas Adizero Prime X 3 Strung features the maximum amount of Lightstrike Pro foam, dual-plane carbon EnergyRods, and a very high stack height that excels during long and fast runs. Add to that the Strung upper—tight, snug, more like a cocoon than classic mesh. This is a shoe for fast runners who want to bring the feel of race shoes to their training. It works best during tempo runs and harder workouts, where its aggressive geometry and responsiveness really shine.

• Stack height: 50/43mm
• Drop: 7mm
• Weight: 285g
• Regular price: 300 EUR

Asics Megablast

The Asics Megablast is a super-training shoe with a more “comfortable” feel, yet it still retains the distinct DNA of this category. The high sole and thick layer of FF Turbo 2 do the job—landing is soft, and the push-off is springy and noticeable even at a more relaxed pace. This is a model that effectively bridges two worlds: long runs and faster sessions, without the need to change shoes. The curved sole geometry improves roll and helps maintain rhythm, especially when you’re more fatigued, while the Asicsgrip outsole provides solid traction on the road.

• Stack height: 46/38mm
• Drop: 8mm
• Weight: 223g men’s, 207g women’s
• Regular price: 240 EUR

Asics Superblast 3

The Asics Superblast 3 is one of the most well-known models in this category. It’s a model that falls somewhere between a classic training shoe and a speed training shoe. In practice, it functions as a fast training shoe, but it’s also comfortable during easy runs. The high sole and springy foam provide plenty of cushioning, while significantly improving running performance thanks to its optimal geometry. In terms of softness, it can be compared to the Nimbus, but here you get much more energy and “rebound.” It’s a very versatile super-training shoe that works well for both lighter and heavier runners—even up to around 90 kg.

• Stack height: 46.5/38.5mm
• Drop: 8mm
• Weight: 239g
• Regular price: 220 EUR

Hoka Skyward X

The Hoka Skyward X is the most feature-packed model in Hoka’s lineup—a classic comfort-focused maximalist. It’s a shoe for those who want plenty of cushioning but tend to run at a more relaxed pace. The high stack height does its job, while the carbon fiber element adds a touch of performance and keeps the geometry in check. The greatest strength of this model is the combination of maximum softness with moderate performance—it allows you to safely “play” with your pace while maintaining maximum safety. It can be an interesting option for people who expect more cushioning and safety than performance from this type of shoe.

• Stack height: 48/43mm
• Drop: 5mm
• Weight: 320g men’s, 261g women’s
• Regular price: 225 EUR

Mizuno Neo Vista 2

The Mizuno Neo Vista 2 is one of the most “clean” super-training shoes in this category. Mizuno’s Enerzy NXT foam creates a very soft yet springy platform that delivers a smooth and stable ride. Inside, a fiberglass plate stiffens the structure and boosts speed during faster runs. The Neo Vista 2 is a model that isn’t extremely aggressive, but it provides a distinct “bounce” and maintains pace without much effort. It works well as a shoe for long runs, daily runs, and easier tempo runs. It’s best suited for runners looking for soft cushioning combined with controlled performance.

• Stack height: 45/37mm
• Drop: 8mm
• Weight: 265g men’s, 225g women’s
• Regular price: 180 EUR

New Balance Fuelcell Supercomp Trainer v3

The New Balance FuelCell SuperComp Trainer v3 is the training (and significantly higher) version of the Elite model. The key difference lies in the sole’s height—it reaches around 47 mm at the heel, placing it squarely in the realm of supertrainers and shoes that exceed the World Athletics limit. It features springy FuelCell foam and a full-length carbon plate. The result is a shoe that combines distinct performance with a very high level of cushioning. It’s a good option when you’re looking for something heavier, yet ultra-comfortable and stable over long distances.

• Stack height: 47/39mm
• Drop: 10mm
• Weight: 320g men’s, 220g women’s
• Regular price: 250 EUR

Saucony Endorphin Trainer

The Saucony Endorphin Trainer is the most “versatile” model in the entire Endorphin line. As the name suggests, it’s a shoe clearly designed for training, but it still offers plenty of performance. The construction features a 3/4 carbon fiber plate, which stiffens the midfoot and helps you run faster, but doesn’t make the shoe as demanding as classic racing shoes. Cushioning is based on a blend of IncrediRUN PB and PWRRUN foams, offering a good balance of responsiveness and stability. It’s also a great fit for heavier runners and those looking to enter the world of carbon in a more controlled, safe way.

• Stack height: 42/34mm
• Drop: 8mm
• Weight: 280g men’s, 227g women’s
• Regular price: 180 EUR