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Based purely on performance, the Asics Megablast is one of the best running shoes we’ve tested in 2025, offering an incredibly versatile and bouncy ride that improves even on the standards set by the Asics Superblast 2.
However, the price of the Megablast is so high that it’s still hard for us to recommend it, especially when there are excellent alternatives like the Adidas Adizero Evo SL, New Balance Rebel v5 and Puma Velocity Nitro 4 available for so much less.
Design & Key Stats
- Price: £210/$225
- Weight: 241g/8.5oz (men’s UK 9 / US 10)
- Drop: 8mm
- Stack: 46mm heel, 38mm forefoot
- Upper: Lightweight engineered mesh
- Midsole: FF Turbo Squared foam
- Outsole: Rubber covering most of forefoot and heel
Asics Megablast review
How’s The Fit
Nick, Tom and Kieran tested the Asics Megablast for our review and we found that the length of the shoe was right in our normal running shoes sizes, but Kieran noticed that the toe box was a little narrow and rubbed the outsides of his little toes on longer runs. If you have wide feet, you could try half a size up, but the risk then is the shoe will be too long.
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The Run Test: Likes
The Asics Superblast 2 has set the standard for plate-less performance shoes in the past couple of years, and the Megablast is even more impressive in terms of its versatility than the Superblast.
It has a smoother ride from the heel and the FF Turbo Squared foam in heel is more bouncy and responsive than the FF Turbo+ foam used on other Asics shoes. As a result the ride is fast, comfortable and fun, and the Megablast feels good for any kind of run.
Nick took the Megablast away as his only running shoe for a trip and has racked up over 100 miles in his pair, and they’ve been great for speed sessions, long tempo efforts, recovery and progression runs alike.
Tom and Nick also found the Megablast to be quite stable for such a high stack shoe, thanks to the wide base and fairly firm feel to the foam, and it’s also a very light shoe given how much foam is in the midsole.
From our testing the Megablast also looks to be a durable shoe, with no real wear and tear showing on Nick’s pair after 160km/100 miles of running.
The Run Test: Dislikes
Although it’s light, the Megablast is still a big shoe and can feel a little blocky and large when running at your fastest paces. Kieran also found that the Megablast was a little too soft for him at slow paces, and didn’t find it the most stable shoe either.
However, our biggest dislike with the Megablast is its price, not its performance, and because it’s so expensive there are a lot of shoes that undercut it while still being very impressive options themselves.
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Verdict And Alternatives
The Asics Megablast is an excellent running shoe and one that can handle almost any type of training run as well as long races. You can buy it as your only running shoe to do everything, or use it in rotation with a faster shoe like a carbon plate racer.
However, it’s not hard to find better value alternatives, even including the Asics Superblast 2, which is a little less impressive at speed than the Megablast but still a brilliant all-rounder itself.
For a much lower price you can take your pick of the Adidas Evo SL, Puma Velocity Nitro 4 and New Balance Rebel v5, or even get two of them for a similar price to the Megablast.
Then there are great plated super-trainers like the Saucony Endorphin Speed 5 and Nike Zoom Fly 6 that are as versatile as the Megablast and also cheaper.
While the Megablast might live up to its price thanks to durability as well as versatility, the range of terrific running shoes available for less right now makes it a hard sell in our eyes.
Asics Megablast vs Asics Superblast 2
The Megablast feels a like a small upgrade on the Superblast 2, with a lighter and faster design that’s less blocky at the heel, though the Superblast 2 is still an excellent, highly-versatile shoe that costs a little less.
Asics Megablast vs Adidas Adizero Evo SL
The Adidas Evo SL is lighter and leaner than the Megablast and a better pick for faster runs, and it’s also considerably cheaper than the Asics shoes. The Megablast is most cushioned and stable and a better long run shoe, and perhaps a better all-rounder, but probably not by enough to justify the extra cost.
Asics Megablast vs Asics Sonicblast
The Sonicblast is a plated super-trainer that uses the FF Turbo Squared foam also used in the Megablast. The Sonicblast is cheaper and a versatile shoe, but stiffer and less fun to run in at any pace. It’s a little more stable though, and if you like a more direct ride it might be preferable to the Megablast.
Asics Megablast vs Nike Vomero Plus
The Nike Vomero Plus is more of a classic cushioned running shoe, being built primarily for comfort. It has some bounce and versatility though, and is a better option for new runners than the Megablast, but the Asics is a faster shoe and a superior all-rounder.