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The adidas Terrex Agravic Speed Ultra is a swift and agile trail super shoe tailored for faster trail races and ultramarathons.

Best Use

Super Trail | Race Ultra

Surface

Smooth Trails & Fireroads

Cushioning

Barefoot

Minimal

Low

Medium

High

Maximal

All Men's Trail Shoes

Daily Trainer Trail

Daily Trainer Trail running shoes are reliable and versatile. They are great for a broad range of surfaces and used by beginner and advanced trail runners.
Performance Trail | Sub-Ultra

Performance Trail running shoes are nimble and agile. They tend to be light and are the choice for many who run sub-ultra trail races. They are also great for those seeking a fast and free experience.
Max Cushion Trail

Max Cushion Trail shoes deliver ultimate comfort. They have tons of cushioning, making them great for running long distances.
Super Trail | Race Ultra

Super Trails shoes are built for the best trail runners in the world. You don't have to be elite to benefit from the best technology available in these shoes. Whether racing an ultra or just looking for an assist, Super Trail shoes deliver the best trail performance.

Men's Running Shoes by Surface

Roads & Pavement

Road running shoes feature smooth outsoles that are designed for running on paved surfaces such as roads, sidewalks, and bike paths.
Smooth Trails & Fireroads

Designed to handle most trail runs, these shoes prioritize comfort and a smooth ride. These shoes are great for anything from smooth singletrack, park trails, and fireroads making them ideal for those who run from their doorstep on streets before hitting the trail.
Rocky & Technical Trails

These shoes are best used for hard, rugged trails such as shale, granite or sandstone where grip on smooth surfaces and underfoot protection are important.
Soft & Muddy Trails

Designed for use in muddy, soggy conditions, these shoes feature very aggressive outsoles that dig deep into soft ground for exceptional traction.
Snowy & Icy Trails

These shoes feature technical outsoles designed to grip snowy and icy trails making them ideal for winter trail running.

Cushioning Level

Cushioning level, or stack height, refers to how much shoe is between your foot and the ground. For this category, we reference the amount of cushioning below the forefoot as the heel height will be equal to or greater than the forefoot height.
Learn more about stack heights and how we measure them.
Barefoot

0-13mm. The Shoe generally does not have a midsole and feels like there is no cushioning. This shoe is all about feeling the ground underfoot.
Minimal

14-18mm. The shoe has a thin midsole that allows for a natural running experience. Racing shoes and minimalist shoes are common here. These shoes offer a feeling of being connected to the road or trail.
Low

19-23mm. The shoe has a slightly cushioned feel and may feature added cushioning technologies. Performance training shoes and some trail shoes are common here. These offer protection during footstrike but prioritize a lightweight, grounded experience.
Medium

24-28mm. These shoes have a stack height that fall near the middle of the spectrum.The shoes in this category are verstaile and great for all types of runs and distances.
High

29-34mm. The shoe has a thick midsole and ample cushioning. These shoes are highly protective and absorb more impact than the body.
Maximal

35mm plus. The shoe has an extremely thick midsole and extra cushioning. The focus is on protection and soft foam underfoot with hardly any ground feel.

Stability Level

Neutral

Neutral shoes support the foot through a normal range of arch collapse and generally do not have a built-in technology to correct movement.
Stable

Stability shoes are a great option for those who overpronate or need added support. These shoes help to limit the inward rolling motion of the ankle while running or walking and assist in guiding the foot straight through the gait cycle.

Product Details:

Seen on the feet of Tom Evans when he won the 2023 Western States 100, the adidas Terrex Speed Ultra is an innovative trail racing shoe that delivers everything needed for ultimate performance on race day.

The midsole features Lightstrike Pro Foam, which not only provides runners with a lightweight and highly responsive experience but also ensures protection over the long miles of an ultramarathon. To enhance energy return with each step, adidas incorporates TPE energy rods in the midsole. These rods help to propel the runner forward while adapting to uneven terrain. Meanwhile, the shoe's aggressive rocker geometry ensures efficient heel-toe transitions that help make running further feel easier.

The outsole is crafted from Continental Rubber and boasts a streamlined design that reduces weight without compromising exceptional grip and traction on challenging terrain. The shoe is finished off with an engineered mesh upper that offers a breathable and secure fit while remaining incredibly lightweight.

Combining a lightweight design with high-performance cushioning, the adidas Terrex Agravic Speed Ultra is a plated trail racing shoe that delivers a remarkably responsive ride for ultramarathons and trail races, especially those that require more speed.

What You'll Love:

Highly responsive underfoot experience
Lightweight design
Rocker geometry for efficient transitions

Model Number: JR5217

Specs & Fit

Shoe Specs

Weight:	9.3 oz 264 g
Heel Stack:	38 mm
Forefoot Stack:	30 mm
Heel-Toe Offset:	8 mm

How It Fits

Heel Width:	Average
Midfoot Fit:	Narrow
Toe Box Fit:	Average

How We Measure Our Shoe Specs

We measure every shoe in-house to provide accurate and consistent details.
Weight

The weight is based on a Men's size 9 for Men's and Unisex shoes or Women's size 8 for Women's shoes. The weight listed is for a single shoe, including the laces.
Heel Stack

The heel stack refers to how high your heel sits above the ground when wearing shoes. Based on Men's size 9 as the standard.
Forefoot Stack

Forefoot stack refers to how high the ball of the foot sits above the ground when wearing shoes. Based on Men's size 9 as the standard.
Heel-toe Offset

Heel-toe offset (drop) is the difference in height between the heel stack and the forefoot stack. We use the number given to us by the brand.

How We Measure Shoe Fit

All measurements are based on Medium width.
Fit (width) options are Narrow - Snug - Average - Roomy - Wide.
Sizing (length) options are Short - True - Long. Note: fit is relative to the "average" running shoe.
We partner with SmartLast, a program by Heeluxe, to use advanced shoe-measuring technology, to provide objective measurements for toe box, midfoot, and heel widths as well as overall length.

Cushioning Level

Barefoot

0-13mm. The Shoe generally does not have a midsole and feels like there is no cushioning. This shoe is all about feeling the ground underfoot.
Minimal

14-18mm. The shoe has a thin midsole that allows for a natural running experience. Racing shoes and minimalist shoes are common here. These shoes offer a feeling of being connected to the road or trail.
Low

19-23mm. The shoe has a slightly cushioned feel and may feature added cushioning technologies. Performance training shoes and some trail shoes are common here. These offer protection during footstrike but prioritize a lightweight, grounded experience.
Medium

24-28mm. These shoes have a stack height that fall near the middle of the spectrum.The shoes in this category are verstaile and great for all types of runs and distances.
High

29-34mm. The shoe has a thick midsole and ample cushioning. These shoes are highly protective and absorb more impact than the body.
Maximal

35mm plus. The shoe has an extremely thick midsole and extra cushioning. The focus is on protection and soft foam underfoot with hardly any ground feel.

Technologies

MIDSOLE

Lightstrike Pro is a lightweight midsole with a denser compound offering higher responsiveness in each step.
Rocker Geometry for efficient strides and faster leg turnover.
Energy Rods offer a snappy heel toe transition for more propulsion.

OUTSOLE

Continental Rubber Outsole offers increased traction in both dry and wet conditions.

UPPER

Durable Engineered Mesh is lightweight, breathable, and supportive while also having great drainage features.

Videos

Customer Reviews

4.2 out of 5

26 Customer Reviews

5 Star

4 Star

3 Star

2 Star

1 Star

5 out of 5 Stars

Great traction and lightweightI used these shoes to run Rim2Rim2Rim in the Grand Canyon and found the traction to be helpful, as there was a lot of slippery sand on rocks and steps to work through. They are also lightweight, and in a situation where you're pulling long miles, any weight reduction helps. They feel unremarkable when you first put them on, as another reviewer noted, but they felt comfortable the entire run.

Lynn - VA, United StatesJune 06, 2025