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Home / Running Shoe News

Two Running Shoes No One Saw Coming: ASICS Megablast and Sonicblast

Last Updated on September 2, 2025 by Amanda Brooks
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ASICS has been keeping two new shoes very hush hush. Even meeting with them last year at The Running Event where brands are playing up all the new things, nada. Not a word! Then last week on my doorstep were two brand new models for the Blast line up of shoes: Megablast and Sonicblast.Asics Megablast vs Asics SonicblastMany brands are going to this silo approach of having a family of shoes. Great in some ways and very confusing in others, so here is a quick breakdown of the line:

In fact, here’s what we’ve already reviewed from this line and our reviews:

  • ASICS Novablast 5: Daily trainer with good amount of cushion, not made to pick up the pace
  • ASICS Superblast 2: Lightweight, great cushioned trainer that can pick up the pace and carry many through their marathon feeling really stable
  • ASICS Sonicblast: Pebax plated uptempo shoe with more bounce and speed, but can still function on easy days.
  • ASICS Megablast: Lightest shoe in the line up, using bouncy foam from their top tier shoes
  • One level up from all this would be the ASICS Metaspeed Sky and Edge as front of the pack race day shoes

Reviews of the Sonicblast and Megablast are now ready!!

The entire blast line up was ASICS raising their hand to say “hey runners, we’re back and we’re different. We’re not just the gel shoes you’ve known forever.” These two brand new shoes are absolutely extending that discussion.

For those waiting on updates to the existing shoes, we’re looking at March 2026 for the Superblast 3 and July 2026 for the Novablast 6. That gives these two new shoes some time for everyone to understand what they are and see how they fit in to a running shoe rotation.

Sonicblast Specifications

A large contingent of runners have been asking ASICS for a superblast with a plate and this is their answer. Instead of just inserting a plate, they came up with a different foam and put in that PEBAX plate to make it more widely accessible and usable than the carbon plated race day shoes.

  • Heel Drop: 8 mm
  • Stack: 46 mm
  • Weight: 7.8 oz womenโ€™s, 9 oz menโ€™s
  • Not available in Wide
  • $180
  • Available Sept 1, 2025

Megablast Specifications

All right, so then what’s the goal of the Megablast? It’s not plated. It’s not just a max cushion super soft shoe. It’s energetic, it’s bouncy, it’s the closest thing I’ve found to the much loved Adidas EVO SL.

  • Heel Drop: 8 mm
  • Stack: 45 mm
  • Weight: 8 oz
  • Not available in Wide, Unisex fit
  • $225
  • Available Sept 1, 2025

New Foam Is a Difference Maker

One thing these shoes both share is using their newest foam, the FF Turbo Squared.

New now often means they are taking an existing foam and doing some remixing. It’s a fascinating technical process that I won’t bore you with, but results in some big gains for these shoes.

FF Turbo Squared foamWhat we’ll all be waitingย  to see is this means the FFBlast we’ve come to expect in the Nova and Superblast will be updated as well. It does have a softer feeling, but people are obsesses with bounce and weight…so who knows.

Of course, the question on my mind was will this new super foam be as durable. ASICS said in their testing it meets all the normal durability standards, which sounds a little like a politician answering without answering. As noted, we are testing these right now and will have some thoughts.

All right, thatโ€™s your Sonicblast and Megablast preview coming in September 2025, what a surprise to have two brand new shoes from the brand!

Thoughts?

How do you feel about the naming silos? Confusing or easier to understand?

What to read next?

  • Asics vs On Running Shoes
  • Asics Metaspeed Sky Vs Metaspeed Edge
  • Why Have a Running Shoe Rotation
  • Best Long Distance Run Shoes Right Now
Category: Asics, Running Shoe News

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Amanda Brooks
I am a running coach with over a decade of experience helping thousands of runners to achieve their goals from running injury free to crossing that marathon finish line with a PR. I’ve run over 28,000 miles in my own running journey since 2002. Run To The Finish is my place to share that love and my deep dive in to researching all things running. I hold multiple run coaching certifications, as well as a personal training certification. But it’s my ongoing desire to learn and progress as a coach that has allowed me to help runners from their 20’s through their 70’s! More ways to connect with me:
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Hello runners! I’m Amanda Brooks, a certified running coach and personal trainer since 2012. But my running love started long before that in 2002. My philosophy is that running isn’t about your pace or the distance or your body. It’s about showing up for yourself, loving the process and doing it injury free!

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