Hoka Mach X2 vs Asics SuperBlast 2: Which Super Trainer Deserves Your Money?

Introduction

The Hoka Mach X2 and Asics SuperBlast 2 are two of the standout super trainers of the year. Both are top-class, genuinely versatile shoes that handle a wide range of runs, and both carry a high price tag. The key difference in approach: the Mach X2 uses a PEBAX plastic plate in the midsole, while the SuperBlast 2 has no plate at all.

This comparison breaks down how they differ on specs, fit, and ride, and which one suits your rotation.

Specs and Midsole Construction

Both shoes are very close in weight. The Mach X2 weighs 255g (9 oz) in a UK 9, while the SuperBlast 2 is slightly lighter at 252g (8.9 oz). The Mach X2 has a lower 5mm drop versus 8mm on the SuperBlast 2, and stack heights differ by gender on the Hoka: 44mm heel / 39mm forefoot for men and 42mm / 37mm for women. The SuperBlast 2 is 47mm at the heel and 37mm at the forefoot across both men’s and women’s versions.

Both use dual-density midsoles. In the Mach X2, the top layer is PEBA foam, Hoka’s bounciest and lightest foam, used in racing shoes like the Cielo X1 and Rocket X2. Beneath it sits EVA for stability and durability, with a PEBAX plate featuring wings at the forefoot for added stability. Hoka went with a plastic plate over carbon because it is less stiff and more suitable for daily training. There is a rocker profile and midsole cutouts to reduce weight.

The SuperBlast 2 pairs a thick wedge of FF Turbo Plus, Asics’ best foam from the Metaspeed Sky Paris and Edge Paris racing shoes, with a smaller amount of FF Blast Plus Eco underneath for durability. Both shoes cover key impact areas with rubber while keeping much of the foam exposed.

Fit and Upper Comfort

Sizing is worth noting: a UK 9 here is a US 9.5 in the Hoka and a US 10 in the Asics. The Hoka has a more dialed-in, slightly narrower fit that suits narrow feet, while the Asics upper is more accommodating and comfortable overall.

The Mach X2’s woven upper is very lightweight with almost no padding around the heel and no internal heel counter, a big change from the original shoe. It hugs the foot tightly for fast running, but there are reports of heel rubbing from the thin heel collar. The SuperBlast 2’s engineered mesh upper has more padding, a more substantial heel counter, wider foam sidewalls, and a more stable, relaxed design overall.

On the Run: Speed and Versatility

The SuperBlast 2 impresses in the same way the original did. Despite the tall stack, it feels light, bouncy, and resilient, with a surprisingly stiff, fast-transitioning feel even without a plate. It never bottoms out and shines most on longer runs, progression runs, and fast-paced long efforts, staying comfortable and supportive at relaxed paces too. Where it falls short is pure speed work: it is a big, wide shoe, and flat-out reps or sprints feel slightly less nimble.

The Mach X2 feels more dialed-in, narrow, and racy. It is a big step up from the original Mach X in speed and versatility, delivering more bounce from the PEBA midsole, a smooth rocker transition, and a lively ride across paces. It is relaxed enough for easy days but really comes alive in speed-focused runs, such as 800m reps on the track, where it feels nimbler and more aggressive than the SuperBlast 2. The trade-off is that the racy upper is less comfortable at slow paces, and the shoe is not quite as stable as the original Mach X.

Notably, the plate does not feel like a decisive edge. The SuperBlast 2 gives a similar level of pop from its big foam wedge; the Mach X2’s advantage for fast running comes more from its nimbler, narrower feel.

The Verdict

Both shoes can handle nearly all of your training, and both could even be raced in. The differences come down to emphasis. The Mach X2 is the better pick for speed work and fast runs, and it is also slightly cheaper, at a confirmed $190 versus $200 for the SuperBlast 2, with an expected UK price of £170 for the Hoka.

If you run a minimal rotation and want one shoe to do everything, especially big miles, the SuperBlast 2 is the more capable do-it-all daily trainer, with no fit concerns and better comfort for easy and long runs. If you already have an easy day shoe and want a speed-focused daily trainer to add to the rotation, the Mach X2 is the one to pick. If you are considering the Hoka, try it on first to check that the minimal upper suits you.

Conclusion

These are two spectacular, versatile super trainers. The SuperBlast 2 wins as the all-round daily trainer with the more comfortable upper and greater mileage capability, while the Mach X2 is the sharper choice for speed-focused training. Choose based on where your rotation has a gap.