Arch support
Daily running
Water repellent
M: 316g | W: 263g
Heel to toe drop
M: 6mm | W: 6mm
Heel height
M: 25mm | W: 25mm
Forefoot height
M: 19mm | W: 19mm
Widths available
M: Normal - D | W: Normal - B
Show moreless facts


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


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.

Neutral / cushion / high arch

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

Stability / overpronation / normal arch

Shoes for runners who needs arch support (Around 45% of runners). Best for runners with a normal arch. See the best stability shoes.

Motion control / severe overproanation / 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.

Daily running

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


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.

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.


We spent 6.1 hours reading reviews from experts and users. In summary, this is what runners think:

6 reasons to buy

  • The upper for the All Out Rush is made up of breathable and durable air mesh with TPU.

  • It has protective toe cap that shields the foot from debris when running on rough surfaces.

  • The Merrell All Out Rush has reflective details for increased visibility while running under low lighting conditions.

  • The UniFly mid-sole unit is a soft layer of cushioning that’s firm yet responsive.

  • It features the M Select™ GRIP technology for an impressive traction when use in varied terrains.

  • Some runners were satisfied with the flexibility of the shoe.

3 reasons not to buy

  • Based on some comments, this running shoe was not comfortable to wear and some experienced foot pain and blisters.

  • Some experienced heel slippage.

  • The toe area was too tight for some runners.

Bottom line

The All Out Rush from Merrell is a neutral trail running shoe that is ideal for light trails and rough terrains. Some of the testers felt that its dimensions were off and that it didn’t provide the most comfortable experience, but this shoe offers great durability, traction and flexibility.

World wide, All Out Rush is in the top 50% most popular running shoes. The brand, Merrell, is the 12th most popular.

Map: Shows popularity per continent based on 1010 shoes


4.4 / 5 based on 311 ratings

5 star
4 star
3 star
2 star
1 star

Contribute and get a chance to win running shoes every month.

My rating:

Expert reviews

Experts are running shoe geeks, 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.

Are you an expert? Apply to contribute here.

71 / 100 based on 10 expert reviews

  • 88
    Simon DonatoLevel 1 expert
    by Adventure Simon
    A lot of good protection, great traction, and the fit was really nice--a lot of room in the toe box. So, for me, this shoe is a big win.
  • 85
    Get Out There GearLevel 1 expert
    by Get Out There Gear
    The shoes felt great on the run. I had felt I had a good amount of cushioning and that I never lacked for grip when I needed it.
  • 40
    Peter LarsonLevel 5 expert
    by Runblogger
    The Merrell AllOut Rush did not work out well for me as a running shoe – it felt too firm underfoot and I felt like the weight-balance was more boot-like than running shoe-like.
  • 65
    Believe in the RunLevel 4 expert
    by Believe in the Run
    The shoe is a bit on the firm side. Not as firm as the All Out Fuse felt on the roads, but still pretty firm.
  • 85
    Competitor RunningLevel 3 expert
    by Competitor Running
    It offers a happy medium between proprioceptive feel for the trail and cushioning and protection from rocks, roots and other trail debris from the durable rubber outsole.
  • 74
    Matt BairdLevel 3 expert
    by 220 Triathlon
    Flat-footed ride with little feel for the trail and too much rigidity.
  • 88
    Cara BruceLevel 2 expert
    by Holabird Sports
    In my opinion, the most impressive thing is the grip. Downhill, even on a wet, slick surface, was no problem.
  • 84
    Gear DiaryLevel 2 expert
    by Gear Diary
    I did a single knot today, just as a trial… and sure enough, within two-and-a-half miles, both of the shoes were loosening up; one of them came fully untied. So, I went and double-knotted them… and they're fine the rest of the way. The rest of it: very comfortable shoes.
  • 82
    Amatop10Level 2 expert
    by Amatop10
    Combining a fabric upper shoe with a synthetic rubber sole, the shoe is lightweight and molded to fit around your foot’s curves with ease.
  • 81
    TaroLevel 2 expert
    by Running Warehouse
    The All Out Rush is a great new addition to Merrell's line for a runner who wants to take on the trails with a little bit more underfoot.
  • Show moreless reviews
Apply to become an expert

These are visual presentations, not reviews

  • Erik Rice Holabird Sports
    If you look at the outsole, you're gonna see some aggressive lug patterns. Each individual lug is siped, so as you move it can flex and clean, and still grip and pull. The Merrell sticky rubber compound should perform in wet or dry conditions.
  • Brett Shop Zappos
    It has an upper crafted from breathable mesh ad TPU, with reflective surfaces for visibility in low-light situations.
  • John Running Warehouse
    The All Out Rush uses our Merrell Omni-Fit lacing system to provide a precise, glove-like fit and our breathable mesh lining is treated with M-Select Fresh for odor control.
  • April Shop Zappos
    The midsole is lightweight, made with Unifly, to help absorb impact and give you fantastic energy return.
  • John Running Warehouse
    The midsole/outsole has a 6 mm drop and our patented Unifly technology, which disperses impact, stabilizes for a solid take-off, and really hugs the arch.
  • Shaun Bohnsack RunningShoes.com
    This product is definitely more geared towards the trail, so you'll see this product actually has a 5 mm lug on the bottom of it. Very aggressive lug. This product also has a little more cushioning.
  • Planet Shoes

Updates to All Out Rush

Merrell takes the All Out line to another level by not just adding something to a barefoot experience. In the All Out Rush, Merrell features a shoe that can suitably function as a hiking boot because of its large and tank-like outsole. Although the outsole is quite firm and very thick, it does weigh much lighter than it looks.

The continuous outsole also gives the shoe a high-level of durability and stability with flexibility as the trade-off. Because the outsole is one solid mass of rubber, runners can expect a more stable, durable platform at the cost of limited flex or less natural movement.

All Out Rush size and fit

Merrell’s trademark snug fit in the heel and midfoot with a wide toe box is clearly present in the All Out Rush. The delightful locked in feel of the heel and midfoot that widens to a spacious toe box usually benefits most runners. Medium is the offered width of this shoe. Sizing is fairly regular with options from 6 to 14 for the men’s and 5 to 11 for the women’s.


The whole chunk of the outsole is dominated by circular lugs with a few opposite facing rubber configurations in the forefoot and the heel for enhanced downhill or uphill movements. Merrell uses its own M Select Grip rubber compound all throughout the outsole for optimal traction on different outdoor surfaces.


The whole midsole is blanketed by the Merrell-unique UniFly. This foam is made of premium-grade EVA together with Merrell’s own technologies to give it excellent rebound features and cushioning. It also allows decent ground feedback despite the adequate support and protection. Underfoot protection is increased by firm plates that are located in the heel and the forefoot.


The AirMesh is a proven material in providing excellent breathability. With numerous overlays from the midfoot to the heel, the All Out Rush offers serious midfoot and heel lockdown feel. The unique Omni-Fit lacing system gives runners a glove-like and dialed in fit. Lastly, reflective details in the upper make running in low-light conditions safe and quite a treat.


Comparison to category means
  • {{ item.display }}
    {{ item.name }}

These are the most similar shoes to {{ctrl.stripTitle(ctrl.currentShoe.title, ctrl.currentShoe.brand)}} based on it's own characteristics.

  • {{item.title}}
  • {{item.title}}
{{ctrl.convertCurrency(ctrl.getAxisAvgValue('Y'))|currency:ctrl.currencySymbol:ctrl.sortOptions[ctrl.sortY].accuracy}} {{ctrl.getAxisAvgValue('Y')|number:ctrl.sortOptions[ctrl.sortY].accuracy}}{{ctrl.sortOptions[ctrl.sortY].units}} 91 {{ctrl.convertCurrency(ctrl.getAxisMaxValue('Y'))|currency:ctrl.currencySymbol:ctrl.sortOptions[ctrl.sortY].accuracy}} {{ctrl.getAxisMaxValue('Y')|number:ctrl.sortOptions[ctrl.sortY].accuracy}}{{ctrl.sortOptions[ctrl.sortY].units}} 94 {{ctrl.convertCurrency(ctrl.getAxisAvgValue('X'))|currency:ctrl.currencySymbol:ctrl.sortOptions[ctrl.sortX].accuracy}} {{ctrl.getAxisAvgValue('X')|number:ctrl.sortOptions[ctrl.sortX].accuracy}}{{ctrl.sortOptions[ctrl.sortX].units}} $104 {{ctrl.convertCurrency(ctrl.getAxisMaxValue('X'))|currency:ctrl.currencySymbol:ctrl.sortOptions[ctrl.sortX].accuracy}} {{ctrl.getAxisMaxValue('X')|number:ctrl.sortOptions[ctrl.sortX].accuracy}}{{ctrl.sortOptions[ctrl.sortX].units}} $151
{{ctrl.sortOptions[ctrl.sortY]['title']}} {{ctrl.sortOptions[ctrl.sortX]['title']}}
Load interactive matrix
Modify filters
Change what to compare by