Mizuno Wave Rider 21 vs. Brooks Glycerin 15 review

Mizuno Wave Rider 21 delivers a responsive ride with a secure yet comfortable fit. Brooks Glycerin 15 is a premium cushioning shoe that offers a plush and soft running experience.

The Mizuno Wave Rider 21 and the Brooks Glycerin 15 fall in the same category of neutral cushioning running shoes for runners who do not need much stability and support.

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The uppers of the Mizuno Wave Rider 21 The preceding link takes you to Amazon.com and the Brooks Glycerin 15 differ in that the Mizuno Wave Rider 21 has no overlays on its toe box, except for a stitched-on toecap at the front, and it has the Mizuno logo wrapping the midfoot for extra support.

The Brooks Glycerin 15 The preceding link takes you to Amazon.com has overlays running throughout its entire upper, including along the sides of the toe box, so the toe box of the Mizuno Wave Rider 21 might feel a bit more spacious and open than that of the Brooks Glycerin 15.

What is similar is that both the Brooks Glycerin 15 and the Mizuno Wave Rider 21 wrap the midfoot with no-sew overlays and come with stitched-on overlays at the front and back of the running shoes.

All in all, you might be able to get a similar amount of support from the uppers of the Brooks Glycerin 15 and the Mizuno Wave Rider 21, but the Mizuno Wave Rider 21 might feel a bit more comfortable, especially in the forefoot area.

The biggest difference between the Brooks Glycerin 15 and the Mizuno Wave Rider 21 can be found in the midsole, where the Mizuno Wave Rider 21 comes with a Wave Plate that is meant to provide shock absorption as well as partially function as a midfoot shank.

The Brooks Glycerin 15 has a more all-in-one midsole that does not come with a midfoot shank but rather provides full ground contact, which not only increases the stability of the running shoe but also helps you to achieve smoother heel-to-toe transitions.

According to running shoe lab tests, both running shoes are about equally stable with both delivering an above average amount of stability. The Brooks Glycerin 15 is just a tiny notch more stable than the Mizuno Wave Rider 21.

What is also in a similar range is the amount of heel cushioning delivered, with both running shoes having a very cushy heel and an amount of heel cushioning that approaches the max.

While there is no difference in heel cushioning for men, women should be able to get a bit more heel cushioning from the Mizuno Wave Rider 21 than from the Brooks Glycerin 15.

There is a larger difference to be noted between the amounts of forefoot cushioning delivered, with the Brooks Glycerin 15 having a slightly cushier forefoot than the Mizuno Wave Rider 21.

The Mizuno Wave Rider 21 delivers an above average amount of forefoot cushioning to both men and women, but the amounts are not to the extreme so that the running shoe remains responsive.

The overall conclusion is that you should be able to get a soft ride in either running shoe but that the ride would be overall softer in the Brooks Glycerin 15. Furthermore, the Mizuno Wave Rider 21 should feel a bit more responsive than the Brooks Glycerin 15.

The rubber outsoles of the two running shoes differ quite a bit, with that of the Brooks Glycerin 15 displaying more separation between its rubber pods as well as having more flex grooves.

The Brooks Glycerin 15 is flexible for women but somewhat stiff for men, while the Mizuno Wave Rider 21 is stiff for both men and women, and the men's version of the Mizuno Wave Rider 21 is just slightly stiffer than the men's version of the Brooks Glycerin 15.

The women's version of the Brooks Glycerin 15 weighs approximately 8.8 oz (249 grams), and the Mizuno Wave Rider 21 for women weighs 8.2 oz (233 grams).

The men's versions of the shoes weigh 10.7 oz (303 grams) and 10.3 oz (292 grams), respectively, with the Mizuno Wave Rider 21 being the lighter one.

Making a decision between the Mizuno Wave Rider 21 and the Brooks Glycerin 15 is not an easy one for neutral runners. Both running shoes are good for heel-strikers and are similar in many ways.

The main difference is that the Mizuno Wave Rider 21 is a bit lighter and might feel a bit more responsive, while the Brooks Glycerin 15 might deliver a smoother and overall softer ride.

Note: The weight of a running shoe depends on the size of the running shoe, so any weights mentioned in this review may differ from the weight of the running shoe you choose to wear. Running shoes of the same size were compared for this review.

The two links above will take you to Amazon.com where you can read more about the running shoes.


This review falls under: Brooks | Mizuno

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