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ASICS MEGABLAST Unisex Running Shoes

Maximum bounce. High-energy cushioning. A lightweight super trainer designed to make every kilometre feel faster.

The ASICS MEGABLAST is one of the most energetic shoes in the ASICS running range. Built around a full-length FF TURBO SQUARED midsole, the MEGABLAST combines a high level of cushioning with an unusually light, spring-loaded ride.

Unlike a conventional maximum-cushion trainer that prioritises softness and comfort above everything else, the MEGABLAST is designed around energy return. It is a neutral road-running shoe that can move from everyday mileage to long runs, tempo sessions and faster workouts without feeling like a traditional heavy cushioned trainer.

The result is a distinctive combination of maximum cushioning, high rebound and relatively low weight that makes the MEGABLAST particularly appealing to runners who want a versatile performance trainer without necessarily moving into a carbon-plated racing shoe.

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ASICS MEGABLAST – At a Glance

Specification	MEGABLAST
Category	Maximum-cushion neutral super trainer
Gender	Unisex
Surface	Road
Support	Neutral
Cushioning	High / Maximum
Heel-to-toe drop	8mm
Stack height	Approximately 45mm heel / 37mm forefoot
Weight	Approximately 223–230g depending on market and reference size
Midsole	FF TURBO SQUARED
Outsole	ASICSGRIP
Upper	Lightweight engineered woven upper
Best suited to	Daily training, long runs, tempo, faster workouts and performance-focused mileage

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What Is the ASICS MEGABLAST?

The MEGABLAST sits above the NOVABLAST in ASICS' performance-training hierarchy.

While the NOVABLAST 6 is an extremely versatile daily trainer, the MEGABLAST takes the concept of an energetic trainer considerably further. Its defining characteristic is the use of FF TURBO SQUARED throughout the midsole.

This gives the shoe a very high level of energy return without requiring a carbon-fibre plate.

It is best thought of as a high-stack, high-energy super trainer rather than simply another maximum-cushion running shoe.

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FF TURBO SQUARED – The Heart of the MEGABLAST

The most important component of the MEGABLAST is its FF TURBO SQUARED foam.

ASICS developed this foam to deliver a combination of low weight, softness and high rebound. The result is a midsole that compresses under load but rapidly returns energy as the runner progresses through the stride.

That characteristic gives the MEGABLAST its unusually pronounced bounce.

What you feel while running

• Soft cushioning when landing.
• High energy return through midstance.
• A springy sensation as you move towards toe-off.
• Less effort required to maintain momentum.
• A noticeably lively ride even at slower training speeds.

The foam is the reason the MEGABLAST can offer such substantial cushioning without feeling like a traditional heavy maximum-cushion shoe.

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Maximum Cushioning Without the Heavy Feeling

The MEGABLAST has a very substantial amount of foam underfoot, with ASICS listing approximately 45mm of heel stack and 37mm of forefoot stack.

That gives the runner a large protective platform between the foot and the road.

However, the shoe remains surprisingly light for its stack height.

This combination is particularly valuable for runners who want maximum cushioning but do not enjoy the sensation of a heavy, sluggish shoe.

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How Does the MEGABLAST Ride?

Ride characteristic	MEGABLAST
Cushioning	★★★★★ – maximum/high
Bounce	★★★★★ – extremely high
Energy return	★★★★★
Responsiveness	★★★★★
Stability	★★★★☆
Long-run comfort	★★★★★
Tempo performance	★★★★★
Recovery running	★★★★★

The MEGABLAST is not a firm, aggressive racing shoe. Its performance comes from bounce and energy return rather than stiffness.

This makes it particularly appealing to runners who enjoy a cushioned ride but still want to feel propulsion beneath the foot.

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The Rocker Geometry

The MEGABLAST uses a pronounced rocker profile to help move the runner through the gait cycle.

The geometry works with the highly responsive FF TURBO SQUARED foam rather than relying solely on foam compression for propulsion.

For heel strikers, the rocker can help move the shoe efficiently from landing towards midstance. For midfoot and forefoot runners, the substantial forefoot cushioning provides a highly protective platform for loading and toe-off.

The overall effect is a smooth, rolling transition rather than a traditional flat daily-trainer sensation.

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Is the MEGABLAST a Stability Shoe?

No. The MEGABLAST is a neutral running shoe.

It has a substantial platform and can feel surprisingly stable considering its stack height, but it does not incorporate a dedicated stability system for controlling significant overpronation.

If you require structured stability, a model such as the ASICS GT-2000 or GEL-Kayano is a more appropriate starting point.

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Who Is the ASICS MEGABLAST For?

The MEGABLAST is aimed at runners who want a highly cushioned shoe but do not want to sacrifice speed or energy return.

• Neutral runners wanting maximum cushioning.
• Runners who love a highly bouncy ride.
• Runners looking for a versatile super trainer.
• Runners who want a non-plated alternative to carbon racing shoes.
• Experienced runners looking for an energetic long-run shoe.
• Runners training for half marathon and marathon distances.
• Runners who want one shoe capable of handling easy and faster running.
• Runners who find conventional maximum-cushion shoes too dull or heavy.

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MEGABLAST for Everyday Running

The MEGABLAST is capable of everyday mileage, but it is not simply a comfort-first daily trainer.

Every easy run has a noticeable level of bounce, meaning the shoe can make ordinary training kilometres feel more energetic.

For runners who like their daily shoes to have some performance character, this is a major advantage.

For runners who prefer a quiet, planted and predictable ride, the MEGABLAST may feel too lively.

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MEGABLAST for Long Runs

This is one of the MEGABLAST's strongest applications.

The combination of substantial cushioning and high energy return makes it particularly well suited to long-distance training.

As fatigue builds, the foam continues to provide a springy sensation rather than becoming progressively flat and dull.

It is especially useful for long runs that include faster sections.

Ideal long-run workouts

• Easy long runs
• Progression long runs
• Marathon-pace sections
• Fast-finish long runs
• Long tempo blocks
• Back-to-back training where cushioning is important

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MEGABLAST for Tempo and Faster Running

This is where the MEGABLAST becomes particularly interesting.

Although it has maximum cushioning, the shoe does not behave like a conventional easy-day shoe. The FF TURBO SQUARED foam provides enough energy return to make faster running feel natural.

It is well suited to:

• Tempo runs
• Threshold training
• Progression runs
• Fartlek sessions
• Marathon-pace training
• Long intervals
• Fast finishes

For many runners, the MEGABLAST can cover a large proportion of their training without needing to change into a dedicated performance shoe every time the pace increases.

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MEGABLAST for Marathon Training

The MEGABLAST is an excellent marathon-training shoe for neutral runners.

Marathon training requirement	MEGABLAST
Easy mileage	★★★★★
Recovery running	★★★★★
Long runs	★★★★★
Marathon-pace running	★★★★★
Tempo sessions	★★★★★
Intervals	★★★★☆
Marathon racing	★★★★★ for runners who prefer a non-plated racer

It can also be used as a race shoe by runners who prioritise cushioning and bounce over the more aggressive geometry of a dedicated carbon-plated super shoe.

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Can You Race in the MEGABLAST?

Yes – but understand what type of race shoe it is.

The MEGABLAST is not designed around a carbon-fibre plate and is not intended to replicate the aggressive racing character of the ASICS METASPEED range.

Instead, it offers a highly cushioned, high-energy alternative.

This can be particularly attractive to runners who:

• Do not like carbon plates.
• Prefer a softer ride.
• Want more cushioning over longer distances.
• Want a versatile shoe that can be trained and raced in.
• Find traditional super shoes too aggressive or demanding.

For runners chasing maximum race-day efficiency, a dedicated super shoe such as the METASPEED SKY TOKYO remains the more specialised option.

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MEGABLAST vs NOVABLAST 6

Feature	MEGABLAST	NOVABLAST 6
Category	Maximum-cushion super trainer	High-cushion daily trainer
Midsole	FF TURBO SQUARED	FF BLAST MAX + FF TURBO SQUARED forefoot pod
Bounce	★★★★★	★★★★☆
Cushioning	★★★★★	★★★★★
Responsiveness	★★★★★	★★★★☆
Daily mileage	★★★★★	★★★★★
Tempo	★★★★★	★★★★★
Long runs	★★★★★	★★★★★
Price position	Premium	More accessible

Choose MEGABLAST if maximum bounce and performance are your priority.

Choose NOVABLAST 6 if you want a slightly more conventional and versatile daily trainer with plenty of energy at a lower price point.

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MEGABLAST vs ASICS MAGIC SPEED

Feature	MEGABLAST	MAGIC SPEED
Primary role	Super trainer	Performance/race trainer
Cushioning	Maximum	Performance focused
Ride	Bouncy and soft	Firmer and more aggressive
Plate	No carbon plate	Performance plate construction
Long runs	★★★★★	★★★★☆
Tempo	★★★★★	★★★★★
Easy running	★★★★★	★★★☆☆
Race use	★★★★★	★★★★★

The MEGABLAST is the better choice when you want performance without giving up substantial cushioning.

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MEGABLAST vs METASPEED

Feature	MEGABLAST	METASPEED
Purpose	Training + versatile racing	Dedicated racing
Cushioning	Maximum	Race focused
Energy return	Extremely high	Extremely high
Plate	No	Carbon fibre
Daily training	Excellent	Not the primary purpose
Race-day efficiency	Very high	Maximum
Ride character	Bouncy	More aggressive

The MEGABLAST is the more versatile shoe. METASPEED is the more specialised racing tool.

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Fit and Upper Construction

The MEGABLAST uses a lightweight engineered woven upper designed to provide breathability while keeping the shoe's overall weight low.

The upper is deliberately performance-oriented rather than heavily padded. This complements the substantial cushioning underneath the foot by keeping the upper from adding unnecessary bulk.

The standard MEGABLAST is designed around a standard D-width fitting. Foot shape should still be considered carefully because the ideal fit depends on individual volume, arch shape and forefoot width.

Unisex sizing

The MEGABLAST is sold as a unisex model, with men's and women's sizing represented through the available size range.

Do not select a size purely on the basis of the word "unisex". Your actual foot length and width should determine the correct size.

If you are between sizes, have a wider forefoot or regularly experience toe pressure, we recommend an in-store fitting rather than simply sizing up automatically.

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Is the MEGABLAST Good for Heavy Runners?

The substantial midsole provides a significant amount of cushioning and impact protection, making the MEGABLAST potentially attractive to larger neutral runners.

However, its extremely bouncy geometry may not suit every heavier runner.

Some runners prefer a firmer and more planted platform as body weight increases, while others benefit from the additional cushioning and rebound.

Body weight alone should not determine the decision. Running mechanics, foot stability, training volume and personal preference are more important.

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Is the MEGABLAST Good for Heel Strikers?

Yes. The substantial heel cushioning and rocker geometry make the MEGABLAST suitable for heel strikers.

The shoe's high stack provides plenty of cushioning under the heel before the rocker helps transition the foot forward.

Midfoot and forefoot runners may particularly enjoy the shoe because the large amount of responsive foam continues through the forefoot rather than becoming noticeably firmer towards toe-off.

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Is the MEGABLAST Suitable for Overpronation?

The MEGABLAST is a neutral shoe and is intended primarily for neutral runners and runners who underpronate.

If your gait requires structured stability, the MEGABLAST should not be selected simply because it has a large amount of cushioning.

Instead, consider an ASICS GT-2000 or GEL-Kayano and, where appropriate, have your gait assessed professionally.

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Key Technology Summary

• FF TURBO SQUARED: Lightweight, highly responsive foam designed to deliver exceptional bounce and energy return.
• Maximum cushioning: High stack height provides substantial protection for longer-distance running.
• Rocker geometry: Helps move the runner smoothly through the gait cycle.
• ASICSGRIP: High-performance outsole rubber designed to provide traction and control.
• Engineered woven upper: Lightweight and breathable construction designed to minimise unnecessary weight.
• 8mm drop: Moderate heel-to-toe offset suitable for a broad range of neutral runners.
• Unisex construction: One performance platform offered across men's and women's sizing.

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Best Uses for the ASICS MEGABLAST

Use	Rating
Daily road running	★★★★★
Easy running	★★★★★
Recovery running	★★★★★
Long runs	★★★★★
Tempo running	★★★★★
Threshold training	★★★★★
Intervals	★★★★☆
Half-marathon training	★★★★★
Marathon training	★★★★★
Marathon racing	★★★★★
Short-distance racing	★★★★☆
Walking / everyday wear	★★★★☆

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Who Should Consider Another Shoe?

• You need structured stability: Consider the ASICS GT-2000 or GEL-Kayano.
• You dislike very bouncy shoes: The MEGABLAST may feel too lively.
• You prefer a firm, connected ride: Consider a lower-stack performance trainer.
• You want maximum race-day efficiency: Consider the METASPEED range.
• You are a beginner looking for a more affordable daily trainer: The NOVABLAST 6 may offer better value.
• You prefer substantial upper padding: The lightweight woven upper may feel more performance-oriented than comfort-focused shoes.

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Frequently Asked Questions – ASICS MEGABLAST

Is the ASICS MEGABLAST a neutral shoe?

Yes. The MEGABLAST is a neutral road-running shoe designed for neutral runners and runners who underpronate.

Is the MEGABLAST a maximum-cushion shoe?

Yes. ASICS describes the MEGABLAST as a maximum-cushioned, rockered shoe. Its high stack provides substantial cushioning while the low weight keeps the ride energetic.

Is the MEGABLAST good for beginners?

It can be, particularly for a neutral runner who wants a highly cushioned and energetic shoe. However, its premium price and very pronounced bounce may make the NOVABLAST 6 a more sensible first option for many new runners.

Is the MEGABLAST good for long runs?

Yes. Long runs are one of its strongest applications. The combination of high cushioning and energy return makes it particularly useful when the long run includes faster sections.

Can you race a marathon in the MEGABLAST?

Yes. It is suitable for runners who prefer a highly cushioned, non-plated racing shoe. It can also function as a marathon-training shoe, making it a versatile option for runners who do not want a separate training and racing platform.

Does the MEGABLAST have a carbon plate?

No. The MEGABLAST does not use a carbon-fibre plate. Its performance comes from FF TURBO SQUARED foam and the shoe's rocker geometry.

Is the MEGABLAST better than the NOVABLAST 6?

Not universally. The MEGABLAST is more premium, more highly cushioned and considerably more energetic. The NOVABLAST 6 is the more conventional all-round daily trainer and offers a different balance of cushioning, stability and value.

Is the MEGABLAST good for tempo runs?

Yes. Its lightweight construction and high energy return make it particularly effective for tempo, threshold and progression running.

What is the drop of the MEGABLAST?

The MEGABLAST has an 8mm heel-to-toe drop.

How much does the MEGABLAST weigh?

ASICS market specifications vary slightly by region and reference sizing, with current listings placing the shoe at approximately 223–230g.

Is the MEGABLAST suitable for heavy runners?

It can be. The substantial stack provides significant cushioning, but the very bouncy ride may not suit every larger runner. A professional fitting is recommended where stability or gait mechanics are a concern.

Is the MEGABLAST good for overpronation?

It is not a dedicated stability shoe. If you require structured support, consider an ASICS GT-2000 or GEL-Kayano instead.

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Durban Runner Expert Recommendation

The MEGABLAST is for the runner who wants maximum cushioning without giving up speed.

Its biggest strength is the combination of very high stack, low weight and exceptionally energetic FF TURBO SQUARED foam. It feels fundamentally different from a traditional maximum-cushion trainer.

We particularly like it for runners who want a single premium shoe capable of handling:

• Easy mileage
• Long runs
• Marathon training
• Tempo sessions
• Progression runs
• Faster workouts
• And potentially race day itself

Choose the MEGABLAST if you want bounce.

Choose something else if you want a firm, highly controlled or structured stability ride.

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Find Your Right Running Shoe at Durban Runner

The MEGABLAST is an impressive technical shoe, but technology alone does not determine whether it is right for your feet.

Your foot shape, running mechanics, stability requirements, training volume and preferred ride all influence the correct choice.

At Durban Runner, our RunEasi Running Analysis can help assess your running mechanics and guide you towards the right combination of cushioning, support, fit and shoe geometry.

If you're choosing between the MEGABLAST, NOVABLAST, MAGIC SPEED or METASPEED, let our running specialists help you understand which platform best matches the way you actually run.

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ASICS MEGABLAST – The Verdict

The ASICS MEGABLAST is a premium maximum-cushion super trainer built around one defining characteristic: exceptional bounce.

The full-length FF TURBO SQUARED midsole provides a highly energetic ride while the substantial stack delivers the cushioning required for long-distance training.

Unlike a conventional cushioned daily trainer, the MEGABLAST feels genuinely performance focused. It can handle easy kilometres, but it becomes particularly impressive when the pace increases.

For neutral runners looking for a premium, highly cushioned and extremely energetic shoe without a carbon plate, the MEGABLAST is one of the standout choices in the ASICS range.

Maximum cushioning. Minimum compromise. Exceptional bounce.