ASICS SONICBLAST in Action: The Go-To Shoe for Tempo Sessions

Are you preparing for your next half marathon and searching for a fast running shoe that delivers speed and consistency for your tempo sessions? The ASICS SONICBLAST could be the perfect fit. Built for responsiveness and form retention, this shoe is engineered to help you push the pace and sustain it on any type of fast training sessions - whether you are training at marathon pace, or prepare for race day with tempo sessions or interval training.

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Italian runner and SportsShoes ambassador Gloria Giudici has made the SONICBLAST her go-to training partner in the build-up to her upcoming races. We asked her to share her experience after putting the shoe through its toughest sessions.

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First Impressions: Soft, Subtle, and Surprisingly Supportive

The SONICBLAST makes a strong first impression with its understated design and soft, secure fit. Gloria was immediately struck by how well the shoe adapted to her foot, offering comfort and structure without compromising its performance-driven build.

“The shoe, although designed as a tool for running fast, is very comfortable and integrates well. The foot adapts nicely to the upper, and there’s no risk of wear or lack of structure.” 

The upper is breathable and stable, with reflective details that enhance visibility during low-light runs. According to Gloria, the tongue stays in place and adds to the overall comfort, making the shoe feel tailored and reliable.

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Midsole & Cushioning: Reactive and Race-Ready

The midsole offers a well-calibrated balance of cushioning and responsiveness, absorbing impact while encouraging a fast turnover. Gloria found the shoe ideal for medium-paced training and race efforts, where its reactive nature truly shines. It’s built for runners who want to push the pace and feel the ground beneath them:

“The cushioning is noticeable while running and absorbs the impact well. In my opinion, it’s not suitable for slow paces, because you get the feeling you can’t fully exploit the shoe’s potential.” 

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Outsole & Grip: Best on Asphalt

The outsole is minimal yet effective, offering solid grip on dry asphalt. Gloria tested it on gravel, trail and road surfaces: “On asphalt it has a good grip. The foot slipped and lost traction on dirt tracks and tight corners, but on asphalt there were no issues.” 

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Fit & Comfort: Consider Sizing Up

ASICS shoes tend to run slightly narrow, and the SONICBLAST is no exception. Gloria recommends going half a size up to ensure a comfortable fit, especially for longer sessions or race efforts.

“Generally, ASICS fits slightly narrower than your usual size. Once on, the SONICBLAST feels light and breathable, fully covering the foot while allowing it to move naturally and fluidly. Even during longer or more intense runs, it stays comfortable and supportive.”

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Best Use: For Experienced Runners Chasing Speed

The SONICBLAST is best suited for experienced runners who train with purpose and intensity. After two months of consistent use, Gloria found the shoes perfect for tempo runs and races. 

“In my opinion, it’s better suited to advanced runners who can handle sustained paces.
The shoe performs really well, especially for light and responsive runs. While the cushioning may not be ideal for every type of training, it’s excellent for tempo sessions.”

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Final Verdict: A Specialist Shoe for Serious Training

If you’re looking to sharpen your performance and train with intent, the ASICS SONICBLAST offers a fast, responsive ride that rewards precision and pace. Gloria recommends it for runners with a solid base who want to focus on quality sessions.

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