Saucony Triumph ISO vs. Brooks Glycerin 12 review

Brooks Glycerin 12 provides a soft, smooth, and fast ride to heavier runners. Saucony Triumph ISO is cushy, light, and gives you a lot of protection from the road. Learn more...

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The Saucony Triumph ISO and the Brooks Glycerin 12 are neutral running shoes that are very cushy and can be worn by heavier runners who do not need any kind of stability and support.

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The Saucony Triumph ISO and the Brooks Glycerin 12 provide a good wrap around the midfoot with their overlays in that area.

But the midfoot overlays of the Saucony Triumph ISO extend further towards the forefoot than those of the Brooks Glycerin 12.

And while the forefoot area of the Saucony Triumph ISO is quite open with no overlays running over the toe box, the Brooks Glycerin 12 might feel a bit more comfortable and closer to your foot in the forefoot area due to its light 3D Fit Print overlays that run over the toe box and due to its spacier bunion area.

The Brooks Glycerin 12 and the Saucony Triumph ISO provide a good wrap around the heel, so both running shoes should keep your foot well on the platform.

While the Saucony Triumph ISO is all about allowing the upper to move with foot through its ISOFIT construction, the Brooks Glycerin 12 is all about getting the upper more closer to your foot through its 3D Fit Print construction.

The Saucony Triumph ISO and the Brooks Glycerin 12 are running shoes that provide a lot of cushioning. So not surprisingly, they both have heel-to-toe cushioning in their midsoles.

The Brooks Glycerin 12 has a Super DNA midsole, which is supposed to be super soft or at least softer than BioMoGo DNA as found in for example the Brooks Ghost 7.

And the Saucony Triumph ISO has a PWRGRID+ midsole, which is softer than PowerGrid as found in for example the Saucony Triumph 11.

The amount of cushioning in the two running shoes come very close to each other with just a few minor differences between the genders.

For men, the Saucony Triumph ISO turns out to be the more cushy one, especially in the heel, while for women the Brooks Glycerin 12 has a more cushy heel, but a slightly less cushy forefoot.

Nonetheless, the differences are very small, so either running shoe should feel super soft under your foot.

The Saucony Triumph ISO, while not being a stability running shoe per se, comes with a few stability features in its crash pad under the heel that runs till the midfoot to nicely join the forefoot there and give you a smooth heel-to-toe transition.

The Saucony Triumph ISO also provides full ground contact, which should not only give you a stable platform to stand on, but also good arch support.

The Brooks Glycerin 12 has similar things going with its full-length segmented crash pad and full ground contact under the shoe. So again, you've got a very stable and supportive running shoe on your foot.

The outsoles of the Saucony Triumph ISO and the Brooks Glycerin 12 are well-segmented for good shock absorption.

But the outsoles differ in that that of the Brooks Glycerin 12 consists of 3 separate sections (rearfoot, midfoot, and forefoot) to allow for a separation between pressure zones. This is just to make your ride more comfortable.

For added comfort, the Saucony Triumph ISO has blown rubber in its forefoot. This should also help with flexibility.

However, because both running shoes provide so much cushioning, they also turn out to be pretty stiff running shoes. They are almost equally as stiff for men, but the Brooks Glycerin 12 is just a little bit more flexible than the Saucony Triumph ISO for women.

The women's version of the Saucony Triumph ISO weighs approximately 8.4 oz (238 grams), while the Brooks Glycerin 12 for women weighs approximately 8.7 oz (247 grams).

The men's version of the Saucony Triumph ISO weighs about 10.1 oz (286 grams), and the Brooks Glycerin 12 for men weighs about 11.0 oz (312 grams).

Making a choice between the Saucony Triumph ISO and the Brooks Glycerin 12 is a hard one, because both running shoes come so close to each other.

If you are looking for a lot of cushioning and a soft and smooth ride, either running shoe would do. I think the main decision point lies in either the weight or the height of the shoe, and in what kind of fit you prefer.

If you want a lighter running shoe, the Saucony Triumph ISO would be the answer. And if you want a running shoe that is a bit closer to the ground – so could make you feel fast – then the Brooks Glycerin 12 would be the one to go with.

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 | Saucony

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