adidas Terrex Speed Ultra

Review Score
82%
πŸ… Highly Rated
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Christoph LauterbachJanosch KowalczykAlex Varner

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adidas Terrex Speed Ultra: Review

β€œA lightweight, responsive trail running shoe for speed enthusiasts.”

Overview


The adidas Terrex Speed Ultra is a trail running shoe designed for speed and agility on various terrains. This shoe is known for its lightweight construction and responsive midsole, making it ideal for fast-paced trail runs.

Key Features:

  • Lightstrike and Boost midsole: Combines cushioning and energy return for a responsive ride.
  • Engineered mesh upper: Provides breathability and a secure fit.
  • Continental rubber outsole: Offers excellent grip on different surfaces.

The adidas Terrex Speed Ultra is an ideal choice for trail runners who prioritize speed and responsiveness. Its lightweight design and grippy outsole make it suitable for racing and speed training on trails.

With an average review score of 82%, it's rated just above the median rating of similar running shoes. Based on our monitoring of prices across the internet, it's currently just above the median price of running shoes today.

Verdict

The consensus on the adidas Terrex Speed Ultra


The adidas Terrex Speed Ultra is a trail running shoe that excels in speed and agility. Reviewers praise its lightweight design and responsive midsole, which combines Lightstrike and Boost foam for a nimble ride. The engineered mesh upper offers excellent breathability, keeping feet dry during long runs. However, some runners find the midfoot fit restrictive and noted that the shoe lacks underfoot protection for more technical trails. The Continental rubber outsole provides reliable grip on various surfaces, but it may not perform well in muddy conditions. Overall, the Terrex Speed Ultra is best suited for shorter trail runs and races, where its speed and responsiveness can shine. For runners seeking a fast, lightweight trail shoe, the adidas Terrex Speed Ultra is a solid choice.

Comparable Shoes


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The Saucony Peregrine 11 is a good alternative for runners seeking more underfoot protection and cushioning. While the adidas Terrex Speed Ultra excels in speed and responsiveness, the Peregrine 11 offers better traction on technical trails and a more cushioned ride. The Peregrine 11 is also more versatile, handling a wider range of trail conditions, including muddy terrains.

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The Altra Lone Peak 6 is another option for runners who prefer a lower drop and a more cushioned feel. Unlike the adidas Terrex Speed Ultra, the Lone Peak 6 features a zero-drop platform (where the heel and forefoot are at the same height), providing a more natural running experience. It also offers better underfoot protection and is suitable for longer, more technical trail runs. The wider toe box of the Lone Peak 6 accommodates runners with broader feet.

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The Hoka Speedgoat is a popular choice for runners who need maximum cushioning and protection on the trails. Compared to the adidas Terrex Speed Ultra, the Speedgoat offers a more cushioned ride and better underfoot protection, making it suitable for ultra-distance runs. However, the Speedgoat is heavier and less nimble, so runners looking for a lighter, faster shoe may still prefer the Terrex Speed Ultra.

10 adidas Terrex Speed Ultra Pros & Cons


5 Pros

Lightweight and nimble design.
Excellent breathability and quick-drying properties.
Responsive midsole with good energy return.
Reliable grip on various surfaces.
Secure fit with good lockdown.

5 Cons

Lacks underfoot protection for technical trails.
Restrictive midfoot fit may not suit wider feet.
Not suitable for muddy conditions.
Durability concerns with the upper material.
Minimalist design may not provide enough cushioning for longer runs.

In Depth


Upper

The upper of the adidas Terrex Speed Ultra is made from engineered mesh, which provides excellent breathability and keeps feet dry during runs. This material is lightweight and offers a secure fit, ensuring that the shoe stays in place even on technical trails. The upper also features minimal welded overlays, which add to its lightweight design and help with quick drying. Reflective elements are included for better visibility during low-light conditions, making it a great choice for early morning or evening runs.

Midsole

The midsole of the adidas Terrex Speed Ultra features a combination of Lightstrike and Boost foam. Lightstrike runs the full length of the shoe, providing a responsive and cushioned ride, while Boost foam in the midfoot and heel areas offers additional cushioning and energy return. This dual-density midsole design ensures a balance between comfort and responsiveness, making the shoe suitable for fast-paced trail runs. The 8 mm heel-to-toe drop (the difference in height between the heel and the forefoot) helps with a smooth transition from heel to toe, enhancing the overall running experience.

Outsole

The outsole of the adidas Terrex Speed Ultra is made from Continental rubber, known for its excellent grip on various surfaces. The lug pattern is inspired by gravel bike tires, providing reliable traction on both dry and wet trails. While the lugs are relatively small, they cover the entire outsole, ensuring consistent grip. However, the shoe may not perform as well in muddy conditions due to the smaller lug size. Overall, the outsole is designed to offer stability and support on different terrains, making it a versatile choice for trail runners.

Size/fit

The adidas Terrex Speed Ultra offers a snug fit, particularly in the midfoot area. Runners with narrow feet may find the fit comfortable, while those with wider feet might experience some tightness. The toe box is medium to narrow in width, providing enough space for toes to spread out. The shoe fits true to size, so runners can choose their usual size for a secure and comfortable fit. The minimal padding in the heel and tongue adds to the lightweight feel of the shoe, making it suitable for fast-paced runs.

Comfort

Comfort in the adidas Terrex Speed Ultra is subjective and may vary depending on the runner's preferences. The shoe is designed for speed and agility, so it has a more minimalist feel compared to other trail shoes. The Lightstrike and Boost midsole provides a responsive ride, but some runners may find it lacking in cushioning for longer runs. The engineered mesh upper offers breathability and a secure fit, while the minimal padding in the heel and tongue ensures a lightweight feel. Overall, the shoe is comfortable for shorter, faster runs but may not be ideal for ultra-distance efforts.

Cushioning

The adidas Terrex Speed Ultra features a dual-density midsole with Lightstrike and Boost foam, providing a balance of cushioning and responsiveness. The Lightstrike foam runs the full length of the shoe, offering a cushioned yet responsive ride, while the Boost foam in the midfoot and heel areas adds extra cushioning and energy return. This combination ensures a comfortable ride for shorter trail runs and races. However, some runners may find the cushioning insufficient for longer, more technical trails, as the shoe is designed with speed and agility in mind.

Breathability

Breathability is a standout feature of the adidas Terrex Speed Ultra, thanks to its engineered mesh upper. This material allows for excellent airflow, keeping feet cool and dry during runs. The minimal welded overlays on the upper also contribute to its lightweight and breathable design. Additionally, the shoe dries quickly, making it suitable for runs in wet conditions. The breathability of the Terrex Speed Ultra ensures that runners can stay comfortable even during intense workouts or long trail runs.

Stability

The adidas Terrex Speed Ultra offers a stable ride, thanks to its dual-density midsole and Continental rubber outsole. The Lightstrike foam provides a responsive and cushioned ride, while the Boost foam adds extra stability in the midfoot and heel areas. The gravel bike-inspired lug pattern on the outsole ensures reliable traction on various surfaces, enhancing stability during runs. However, the shoe's minimalist design and lower stack height (the thickness of the sole) may not provide enough stability for more technical trails or longer runs.

Durability

Durability is a mixed aspect of the adidas Terrex Speed Ultra. The engineered mesh upper is lightweight and breathable, but some runners have reported signs of wear and tear after extended use. The Continental rubber outsole is known for its excellent grip and durability, but the smaller lugs may wear down faster on rough terrains. Overall, the shoe is durable enough for shorter trail runs and races, but it may not hold up as well for ultra-distance efforts or more technical trails.

Grip

The grip of the adidas Terrex Speed Ultra is one of its strong points, thanks to the Continental rubber outsole. The lug pattern is inspired by gravel bike tires, providing reliable traction on both dry and wet trails. The smaller lugs cover the entire outsole, ensuring consistent grip on various surfaces. However, the shoe may not perform as well in muddy conditions due to the smaller lug size. Overall, the grip of the Terrex Speed Ultra makes it a versatile choice for trail runners who need reliable traction on different terrains.

Flex

The adidas Terrex Speed Ultra offers a good balance of flexibility and support, making it suitable for fast-paced trail runs. The engineered mesh upper provides a secure fit while allowing for natural foot movement. The Lightstrike and Boost midsole combination ensures a responsive ride with enough flexibility to adapt to different terrains. The shoe's overall design allows for a more natural running experience, making it a great choice for runners who prefer a flexible and agile trail shoe.

Who should buy the adidas Terrex Speed Ultra?


Runners who are looking for a lightweight and responsive trail shoe will find the adidas Terrex Speed Ultra to be a great option. It is ideal for those who enjoy speed training and racing on trails. The shoe's excellent breathability and quick-drying properties make it suitable for runs in various weather conditions. Additionally, runners with a neutral pronation and a preference for a snug midfoot fit will appreciate the design of this shoe.

Who should not buy the adidas Terrex Speed Ultra?


Runners who prefer a more cushioned and protective trail shoe may not find the adidas Terrex Speed Ultra to be the best choice. Those who run on highly technical or rocky trails might find the shoe lacking in underfoot protection. Additionally, runners with wider feet or those who need a more adaptable fit may find the midfoot area too restrictive. For these runners, alternatives like the Saucony Peregrine 11 or the Altra Lone Peak 6 might be more suitable options.

adidas Terrex Speed Ultra: What's it good for?


The adidas Terrex Speed Ultra is well-suited for trail racing and speed training on various terrains. Its lightweight design and responsive midsole make it ideal for shorter, faster runs. The shoe's excellent grip and breathability also make it a good choice for ultra marathon runners who prioritize speed over cushioning. Additionally, the Terrex Speed Ultra is a versatile option for 5k and 10k trail races.

5 adidas Terrex Speed Ultra FAQs


Is the adidas Terrex Speed Ultra suitable for ultra marathons?

The adidas Terrex Speed Ultra is designed for speed and agility, making it suitable for shorter trail races and speed training. However, some runners may find it lacking in underfoot protection for ultra marathons. For longer distances, consider a shoe with more cushioning and protection.

How does the adidas Terrex Speed Ultra perform on technical trails?

The adidas Terrex Speed Ultra offers good grip and responsiveness on various terrains, but it may not provide enough underfoot protection for highly technical trails. Runners who frequently run on rocky or uneven surfaces might prefer a shoe with more cushioning and protection.

Is the adidas Terrex Speed Ultra true to size?

Yes, the adidas Terrex Speed Ultra fits true to size. Runners can choose their usual size for a secure and comfortable fit. However, those with wider feet may find the midfoot area too restrictive.

What type of terrain is the adidas Terrex Speed Ultra best suited for?

The adidas Terrex Speed Ultra is best suited for dry, well-packed trails and mixed terrain. Its Continental rubber outsole provides reliable grip on various surfaces, but it may not perform as well in muddy conditions.

How breathable is the adidas Terrex Speed Ultra?

The adidas Terrex Speed Ultra features an engineered mesh upper that offers excellent breathability. This material allows for good airflow, keeping feet cool and dry during runs. The shoe also dries quickly, making it suitable for wet conditions.

adidas Terrex Speed Ultra alternatives

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productAthletes
Pro athlete users
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Christoph LauterbachJanosch KowalczykAlex Varner
Weight
Weight
255 g
298 g
M: 264 g
W: 224 g
303 g
M: 261 g
W: 224 g
M: 252 g
W: 218 g
Forefoot
Forefoot
18 mm
21 mm
29 mm
27 mm
M: 14 mm
W: 12 mm
26 mm
Heel to toe drop
Heel to toe drop
8 mm
8 mm
4 mm
5 mm
Heel
Heel
26 mm
29 mm
29 mm
27 mm
M: 18 mm
W: 16 mm
31 mm
Usages
Usages
RacingSpeed training
RacingSpeed trainingRacingSpeed trainingDaily runningRacingSpeed trainingRacingRacingSpeed training
Brand
Brand
adidas
New BalanceAltraAltraASICSHoka
Shoe Type
Shoe Type
Low dropZero dropLow dropZero dropLow drop
Carbon fiber plate
Carbon fiber plate
Breathable
Breathable
Techs
Techs
New Balance Fresh FoamVibramVibram
Environmental Characteristics
Environmental Characteristics
Sustainable
SustainableSustainable
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adidas Terrex Speed Ultra: what the experts say (1 review)

adidas Terrex Speed Ultra: 4 Expert video reviews

adidas Terrex Speed Ultra characteristics and specifications

Characteristics
SportsRunning (+2048)
TerrainTrail (+533)
UsagesRacing (+183)Speed training (+302)
Brandadidas (+292)
Support TypeNeutral (+1602)
Pronation TypeNeutral pronation (+1577)
Strike TypeFore/Midfoot strike (+1113)Heel strike (+1096)
Arch TypeHigh arch (+1524)
FitMedium toe box (+853)
FeaturesOrthotic friendly (+453)Removable insole (+436)
MaterialsMesh (+941)
Events10k (+711)5K and 10K (+135)Half marathon (+711)Marathon (+711)Obstacle course racing (+168)Ultra marathon (+136)
ColorwaysAlmost Lime / Crystal White / Turbo, Almost Lime / Pulse Lime / Turbo, Beige, Black / Crystal White / Turbo, Blue, Blue Rush / Matte Silver / Turbo, Brown, Cloud White / Acid Mint / Screaming Pink, Cloud White / Core Black / Solar Yellow, Cloud White / Crystal White / Core Black
Specificationsvs Average
Model
Ultra
Released
May 2021
Measurements
Weight
255 g
Heel to toe drop
8 mm
Heel
26 mm
Forefoot
18 mm

3 pro athletes who've used adidas Terrex Speed Ultra

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AuthorTom Green
Tom is the founder of geerly. Based in West London, he found his passion for running in his mid-30s. He’s best at longer distances, and is a regular at the London Marathon, where he's edging closer to sub-2.40. He started geerly because he found it frustrating when shopping for running shoes spending ages trying to find the best deal in his size, and wading through verbose, waffling reviews clearly designed to appeal to search engines rather than be helpful to users. For geerly he's passionate about writing reviews that get straight to the point, and helping runners find the right gear at the best price.
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