Running Shoes

Adidas Adizero Adios Pro 2 vs Pro 3: Which Racing Shoe Fits Your Efforts?

Two carbon racing shoes with shared DNA but very different personalities. Here is how they compare for speed, stability, and longer distances.

Two carbon racing shoes side by side on a matte concrete surface

Introduction

The Adidas Adizero Adios Pro 3 has arrived as the successor to the Adios Pro 2, and while the two share clear DNA, they feel like very different shoes underfoot. Both are built around a carbon rod structure for racing, but each one leans toward a different kind of running. This comparison breaks down the specs, ride feel, and the type of runner each shoe suits best.

Specs and Stack

On paper, the Pro 3 comes in slightly lighter, with a claimed weight of around 7.6 ounces for a men’s size 9 versus roughly 8 ounces for the Pro 2 in the same size. On a scale, however, they measure about the same.

What does differ is the stack. The Pro 3 carries more foam underfoot: about 33 mm in the forefoot and 39.5 mm in the heel, for a 6.5 mm drop. The Pro 2 sits at roughly 30.5 mm in the forefoot and 39 mm in the heel, an 8.5 mm drop. Neither drop feels extreme, but the Pro 2 does ride a touch lower in feel. Runners who prefer a bit more heel drop may find the Adios Pro 2 works better for them.

Close-up of a thick foam running shoe midsole on a running track

Adidas Adizero Adios Pro 2

The Adios Pro 2 is the faster, bouncier option of the pair. It feels lively underfoot, with an energetic ride that makes it easy to push the pace. That bounce comes with a trade-off: the heel can feel somewhat unstable unless you have stable running mechanics, and that instability can contribute to fatigue over time.

It held up well from 5K up to half marathon distances. Beyond that, it felt a little too unstable to recommend for a full marathon. Runners with stable mechanics will get along with it fine, and if your priority is turning over quickly at a 5K effort or faster, this is the shoe that rewards it.

Adidas Adizero Adios Pro 3

The Pro 3 trades some of that snappy bounce for versatility and durability. It has a wider, more stable platform, a more durable outsole, and a full-length carbon rod setup, with a plate in the rearfoot. It is harder to make it go fast, but it feels excellent for tempo runs, up-tempo efforts, and marathon-distance work.

The extra foam and inherent stability make it the better choice for longer efforts, and the added durability gives it more longevity as a training-and-racing hybrid.

Which One Should You Choose?

The split is simple. If you want the faster, bouncier ride for shorter races and you have stable mechanics, the Adios Pro 2 fits that brief. If you need a more stable shoe that can handle longer efforts up to and including the marathon, the Adios Pro 3 is the way to go.

Sole of a racing shoe showing a full-length carbon rod structure

Final Verdict

Both shoes are legitimate racers, but they answer different questions. The Pro 2 asks how fast you want to go over 5K to half marathon. The Pro 3 asks how far you want to race comfortably. Matching the shoe to your typical effort is what will make either one feel right.

Pair of racing shoes on a track lane line during a tempo run session

Conclusion

The Adidas Adizero Adios Pro 2 and Pro 3 share a family resemblance but serve distinct purposes: the Pro 2 for speed and shorter racing, the Pro 3 for stability, durability, and longer efforts. Knowing which race distances dominate your calendar makes this decision straightforward.

Further reading

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