Facts

  • Terrain

    Road

    Shoes best for road, track and light gravel. See the best road shoes.

    Trail

    Shoes best for trail, off road, mountains and other unstable surfaces. See the best trail shoes.

    Good to know

    As long as you stick to the road or path, and if you want just one running shoe, buy a road running shoe.

  • Arch support

    Neutral / cushion / high arch

    Shoes for runners who do not need any additional arch support (Around 50% of runners). Best for people with normal, high or medium high arches. See the best neutral shoes.

    Stability / overpronation / normal arch

    Shoes for runners who need mild to moderate arch support (Around 45% of runners). Best for runners with a low arch. See the best stability shoes.

    Motion control / severe overpronation / flat feet

    Shoes for runners who needs a lot of arch support. Best for runners with flat feet. See the best motion control shoes.

    Good to know

    - Rule of thumb: If in doubt, buy neutral shoes to avoid injuries.
    - More about arch support in this video.
    - Find your arch type by following steps from this video.

  • Use

    Daily running

    Cushioned shoes for your daily easy running. Great comfort. See best shoes for daily running.

    Competition

    Lightweight shoes good for races, interval training, tempo runs and fartlek. Here are the best competition running shoes.

    Good to know

    If you want just one pair of shoes, buy a shoe for daily running.

  • Price
    $150
  • Weight
    Men: 11.2oz
    Women: 9.2oz
  • Heel to toe drop
    Men: 0mm
    Women: 0mm

    The height difference from the heel to the forefoot, also known as heel drop, toe spring, heel to toe spring or simply drop.

    There are many opinions about what a good heel drop is. We do not recommend any in particular. Lean more in this video.

  • Heel height
    Men: 30mm
    Women: 30mm
  • Forefoot height
    Men: 30mm
    Women: 30mm
  • Width
    Men: normal
    Women: normal
  • Release date
    Unknown
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Rankings

Expert Reviews

Experts are runners, who post reviews at youtube, directly at RunRepeat or at their own websites. Each expert is categorized from level 1 to level 5 based on expertise. See stats on expert reviews and how we calculate scores here.

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92 / 100 based on 5 expert reviews

  • 88 / 100 | Kyle Byrnes

    Altra Paradigm 4.0 - Plush and no mush!

    I switched to Altra as I have a wide foot, and need something that also provides cushioning around the forefront of the shoe. However, be aware, that this is a zero drop shoe and will take some time to adjust to especially if you’ve been using shoes like Brooks (typically 7mm-12mm) or Hoka (4mm-8mm).

    I’d suggest rotating in and out with a low drop shoe as you transition to zero drop. Don’t just go all in right away if you’re not used to them. When new shoes arrived, I was impressed with the packaging which included a booklet on “getting used to the shoe” as well as a reflective sticker. 

     

    Comfort & fit

    It felt great out the box but could tell they were going to take a little bit of time to get used to. Also, it is shipped with good packing and shoe inserts to help shoe retain form.

     

     

    I typically wear wide shoes (2EE). However, Altra is naturally a wide shoe, so you will not see a wide option. 

    But understand that their average sizing is true to fit and would be the same as a wide shoe option. However, this shoe is not for a narrow foot runner.

    Grip & traction

    Average, with room to improve. I would have liked a stronger grip though. The shoe serves its purposes for Road Runners and can handle the wet conditions.

    However, there isn’t a lot of room for error. When crossing a street, I did almost slip on the painted part of the wet sidewalk crossing which could have been bad. Thus, moving forward, I was much more cognizant of this and had to pay more attention to the road itself.

    Durability

    I have put in about 100 miles in now and not showing any signs of breakdown! So far, the shoe has provided a lot of support in the fore-mid foot. I wanted the cushioning other Altra’s don’t provide so was happy to see Altra tapping into this market.

    Aesthetics

    The colorways are limited to only 3 color schemes. They may look a little clunk in the toe box, but this is to help Altra meet their goal of having toes return back to their natural position.

    I do not care about aesthetics, but these were not as ‘bulky’ looking as I originally expected. Pleasantly surprised.

    Upper 

    Interestingly enough, I encountered an issue I never had before, which resulted in blood and cuts. In all, the entire upper sole is very breathable and comfy and provides flexibility to expand as you work through your run.

     

     

    However, as photos will show, there is a little bit of “flare” on the inside of the shoe which is very rigid. And due to my style of running, where at times I overpronate, it rubbed and cut against my left heel which was very annoying and painful. 

    On the other hand, I find the tongue neither too slim not too bulky. Just the right size and didn’t encounter any issues.

    Midsole

    The midsole is pretty firm and strong. I liked the snug fit on the inside of the midsole especially around the midfoot. I was concerned that this would lead to blisters over time, but so far so good!

    I felt a little bit snug on the inside of the sole/inner foot, which guides the foot to opening up in the toe box helping Altra reach that “toes” back to a relaxed and widened natural state.

     

     

    The entire midsole seems very durable and after 100 miles, is not showing much room of deterioration - well done and constructed shoe.

    A little narrow/snug in the width area which concerned me at first, but found it refreshingly snug and helped guide toes and shoe accomplish the overall goal of returning runners to natural methods.

    Outsole

    The outsole is firm, strong and holding up very well vs. competitors. I would like a little more give, but it's not too firm that there's no room for breaking in.

     

    Heel

    The heel holds well without adding too much bulk. It prevents the foot from too much/any slipping.

    Pros

    • Cushioning, without making a major sacrifice in aesthetics like other brands
    • Hits mission in providing a maximalist shoe
    • Confident in the durability

    Cons

    • Limited to only 3 color schemes
    • The darn “StabiliPad” found on both the middle and back part of the inner shoes is sharp, it rubbed against my opposite ankle and cut it like a razor, several times over and had to change my style overall to avoid it the best I could moving forward

    Final observations

    This was my first time in a zero drop shoe which needs to be rotated in and out with another low drop shoe as you adjust. I would certainly give Altra another try in the future and will continue to use the Paradigm 4.0.

    The shoe doesn’t feel as heavy as it may appear, breathable and dries very well. Just runners be aware: learn more about what a zero drop really means and do your homework especially if you're used to Brooks and Hokas, which are meant for wide feet like ours.

    Zero drop is different and uses lower parts of the leg we haven’t been forced to deal with in the past. Overall, for me, this is a great shoe especially if you're looking for something different and mixing into your routine.

    This expert has been verified by RunRepeat. Reviews are neutral, unbiased and based on extensive testing.

  • 91 / 100 | Run Moore

    So this shoe is great for somebody who's walking, who's running, who wants to lean a little more midfoot.

  • 98 / 100 | Running Northwest

    Needless to say, but we are impressed with the new Altra Paradigm 4.0. Sure there are very very minor nitpicks (like it’s still a little heavy), but this is a maximum cushion shoe So honestly landing a little over 10 ounces is amazing.

  • 90 / 100 | Believe in the Run

    There’s a myriad of choices for runners seeking max-cushioned shoes, road, and trail alike. The addition of EGO in the midsole and a knit upper are the two noteworthy characteristics of the Paradigm 4.0. And at $150, the mileage return will skew towards a higher number. 400-500 miles doesn’t seem unreasonable in the least.

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Updates to Altra Paradigm 4.0

  • The Altra Paradigm brings out its fourth iteration – a dynamic running shoe that provides maximum cushioning and support while on the road. The Paradigm 4.0 is designed for lengthy distances, as its zero-drop structure delivers a cushy platform that is ready for the long haul.  This shoe caters to neutral pronators.
  • The knit upper has an updated look that increases the overall comfort level of the Paradigm 4.0. It retains the durable quality that is also present in the earlier editions of the Paradigm.
  • This version of the Paradigm makes use of the Altra EGO™ midsole material, which gives the Paradigm 4.0 the bounciest platform and plushest underfoot feel to date. Together with another new feature, the Stabilipods, the shoe produces a springier and more stable ride.

Altra Paradigm 4.0 size and fit

The Altra Paradigm 4.0 has a fit that is relatively smaller compared to the standard running shoe; thus, runners are recommended to purchase a half-size larger than their usual preference. The shoe has a semi-broad heel and forefoot, catering to wearers with low to medium foot volumes. The Paradigm 4.0 comes in D – Medium for the men’s version, while the women’s version has B – Medium.

Outsole

Like the previous iteration, the Paradigm 4.0 utilizes the FootPod™ technology in its outsole. This material is shaped according to the natural figure of the human foot, which results in a responsive ride through an enhanced level of flexibility. The structure of the outsole allows the shoe to adapt itself as the running position changes, while also delivering the necessary traction.

The FootPod™ technology works by mapping the bones and tendons of the foot, thus helping them move and bend naturally. This outsole technology is also utilized in the popular Altra Superior 3.5 running shoe.

Midsole

Altra introduces in the Paradigm 4.0 the Altra EGO™ midsole, a dual-nature compound that possesses a responsive capability and a soft characteristic, resulting in an energized ride with an ultra-comfortable sensation. The high-energy ride provided by the Altra EGO™ is complemented by its durable and reactive qualities.

The midsole makes use of a stabilizing tripod, aptly named the StabiliPod™. It supports the three natural stability zones in the foot, therefore controlling pronation and preventing excessive foot collapse.

Meanwhile, a GuideRail™ feature is also present in the Paradigm 4.0. As another support technology, it guides the midsole to efficiently provide adaptive stability. The GuideRail™ offers reinforcement as necessary, such as steering the foot when it gets off-track.

Like many other Altra running shoes, the Paradigm 4.0 includes the Natural Ride System (NRS). This design philosophy promotes natural mobility, as it produces metatarsal-specific shapes to assist proper foot mechanics.

The midsole also incorporates Inner Flex, which is the set of flex grooves placed across the length of the shoe. Inner Flex equips the shoe with the lightweight flexibility that encourages a better and longer running performance.

Upper

The engineered knit upper of the Paradigm 4.0 gives the shoe a supportive breathability. It provides the runner with not only a seamless fit, but also with a durable coverage and an excellent ventilation unit. The knit material is designed to be comfortable and to feel like a second skin.


Comparison