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Adidas Terrex Agravic Speed Ultra 1 trail running shoe

Photo shows one example colourway

Adidas

Terrex Agravic Speed Ultra 1

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Near-zero drop competition trail racer. 259g lightweight build

Best price todayLowest tracked · 90d
£89.99£190.0053%
at MandMDEAL · 34% under 30d avg
90D Low£88.00
30D Avg£135.70
RRP£190.00
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Expert review

Our verdict

The Terrex Agravic Speed Ultra is Adidas at its most single-minded on the trail: a lightweight competition racer built to move fast over long, technical ground. At 259g it is featherweight for a trail shoe, and the moderate 8mm drop still lets you react quickly to the ground on rough terrain. This is a running shoe for the sharp end of a race, not a plush daily trail cruiser. It rewards a runner with a quick, midfoot-led stride and enough strength to handle a firm, ground-feel ride over the miles. In our view it slots in as a premium trail racer, sitting alongside plated rivals like the Hoka Tecton X 3, though the Adidas takes a leaner, more natural route with no carbon plate. At £190 it is a serious investment, so we would save it for race day and key sessions rather than everyday muddy plods.

Key features

  • 259g race weightKeeps your legs fresh deep into a race so you can hold pace when others start to fade
  • Moderate 8mm dropKeeps you connected to the ground for quick, confident foot placement on technical trail
  • Lightweight racing buildStrips out bulk so the shoe disappears underfoot when you push hard on climbs and descents
  • Grippy trail outsoleBites into loose and rocky ground so you can trust your footing at speed

Who it suits

Who should buy it

  • Trail racers chasing a fast time over technical, mixed ground
  • Experienced runners with strong calves who like a firm, ground-feel ride
  • Shorter ultras and fast long runs where light weight pays off late in the race
  • Midfoot strikers who want ground feel and quick reactions over cushioning

Who should not buy it

  • You are new to running and want a forgiving, supportive first trail shoe
  • You overpronate or need built-in stability on long days
  • You want maximum plush cushioning for slow, all-day ultras
  • You have a wide forefoot and need a roomy toe box
  • Your budget cannot stretch to a 190 pound specialist racer

Best uses

  • trail racing
  • short ultras
  • fast long runs
  • tempo trail
  • technical terrain
At a glance

Ratings

8.6Greatout of 10
Lightness9.0
Cushioning7.0
Flexibility6.5
Responsive8.5
Stability6.5
Grip8.0

Pros

  • Very light at 259g for a trail racer
  • Low, connected ride from the near-zero drop
  • Fast and responsive at race pace
  • Confident grip on technical ground

Cons

  • Premium 190 pound price
  • Firm, minimal ride tires untrained legs over distance
  • Zero drop needs strong calves and Achilles
  • Too specialised for easy daily miles
Good to know

Extra information

Fit & sizing

The Agravic Speed Ultra fits true to size for most runners, so we would order your usual trail number. The build leans racy, with a secure midfoot wrap and a snug heel that locks your foot down for fast, technical descents where slop would cost you time and skin. The toe box is performance-shaped rather than roomy, so if you have a wide forefoot or like to splay your toes on long ultras, try before you commit or size up a half. Lockdown over rough ground is a real strength here, and there is little internal movement once the laces are set. Because it is a low, near-zero drop shoe, your first few runs will load the calves and Achilles more than a raised-heel trainer, so ease in rather than racing straight out of the box. If you want a more forgiving, roomier long-day fit, the Salomon Ultra Glide 4 is worth a look.

Performance breakdown

Ride & feel

On the move this feels quick, low and direct. There is no soft, wallowing cushion to sink into and no plate flinging you forward, just a light, honest shoe that lets you drive off the ground and react fast to whatever the trail throws up. Hold a racing effort and it comes alive, tracking cleanly through turns and rewarding a snappy midfoot stride. Roll along at an easy jog and it feels firmer and less exciting, which tells you exactly what it is for. This is a shoe that wants to be pushed, and it gives its best when you commit to the pace.

Cushioning

Cushioning here is tuned for speed rather than plush comfort. You get enough underfoot protection to take the edge off rocks and hard-packed trail, but the ride stays firm and connected so you keep that valuable ground feel. Over a fast half or a shorter ultra with trained legs it strikes a smart balance, protecting you without deadening the response. Push into very long, rough ultras on tired legs, though, and you may want more forgiveness underfoot than this racer is designed to give.

Stability

This is a neutral trail racer, not a stability shoe, so it offers no medial posting or motion control. What it does give you is agility. The relatively low platform keeps your foot fairly close to the ground and helps you feel planted and nimble on uneven terrain. That ground contact rewards good form and a strong, active foot. If you tend to overpronate or want built-in support on long, fatiguing days, this is not the shoe for you. Runners with a neutral gait and confident footing will get on with it best.

Upper & comfort

The upper is built for racing, so it is thin, light and breathable rather than padded and plush. It wraps the foot closely and holds you steady through fast, technical sections without adding weight or heat. Breathability is a plus on warm, hard efforts, though a minimal race upper like this offers less protection from cold, wet and debris than a burlier trail shoe. Lockdown is excellent once dialled in. Just be aware that thin race uppers reward a good fit, so spend time getting the lacing right before you head out on anything long or rough.

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Common questions

FAQ

For most runners it fits true to size, so order your usual trail number. The fit is racy and secure through the midfoot and heel, with a performance-shaped toe box rather than a roomy one. If you have a wide forefoot or want extra room for toe splay on long ultras, consider sizing up a half. Try before you buy if you can, as the snug race fit suits some feet better than others.

Yes, for the right runner and distance. It shines over shorter ultras and fast long runs where its 259g weight keeps your legs fresh late on. The ride is firm and connected rather than plush, so it rewards trained legs and a light, efficient stride. For very long, slow all-day ultras on rough ground you may want more cushioning, but as a fast trail racer it does its job well.

Not really. It is a specialist competition racer with a firm ride, a race-snug fit and a firm, low-stack ride that loads the calves and Achilles more than most trainers. New trail runners are better served by a more cushioned, supportive and forgiving shoe while they build strength. If you are just starting out, save this one for later and choose something more relaxed and everyday-friendly first.

It takes a leaner, more natural route than plated rivals. Where the Salomon S/Lab Genesis 2 and other race shoes lean on aggressive builds or plates for propulsion, the Agravic Speed Ultra keeps things light, low and unplated, trusting your own legs to do the work. That makes it feel honest and agile on technical ground, though you miss the springy pop a carbon plate gives. Choose it if you prefer feel and low weight over plated propulsion.

As a lightweight racer it prioritises low weight over long-haul toughness, which is normal for this type of shoe. The thin race upper and speed-focused build will not last as long as a burly daily trail trainer, especially if you use it for every muddy run. Treat it as a race-day and key-session shoe rather than an everyday workhorse and it will reward you with many fast miles before it wears down.

The numbers

Specifications

Technical specifications for the Adidas Terrex Agravic Speed Ultra 1
CategoryTrail Race
SurfaceTrail
Drop8mm
Heel Stack38mm
Forefoot Stack30mm
Weight259g
Carbon PlatedNo
StabilityNo