Diadora Gara Carbon 2  Running Shoe Review

Review updated Oct 24, 2025 at 03:19pm
Tested using Methodology v0.9 
Diadora Gara Carbon 2
8.5
Marathon Racing 
8.4
5K/10K Racing 
8.5
Energy Return 
7.4
Cushioning 
7.6
Lateral Stability 
 0
  1. Recommended in:
  2. Marathon
  3. Long Distance

The Diadora Gara Carbon 2 is a premium, carbon-plated road racer that blends Italian flair with approachability. Its dual-layer PEBA-based midsole feels softly cushioned, and the geometry remains friendly and not overly aggressive. That balance makes it an excellent choice for runners who value comfort, craftsmanship, and versatility at marathon pace, while still delivering the performance edge of a plated shoe, making it a reliable and exciting option for a wide range of runners.

Our Verdict

8.5
Marathon Racing 

The Diadora Gara Carbon 2 cruises through marathons with a blend of lively rebound and underfoot protection that keeps legs feeling fresher late in the race. The foam-plate combo is very propulsive without the snap of more aggressive super-shoes. Weight is on the higher side for a super shoe, but the shoe never feels clunky, and the broad platform supplies enough stability that you can relax into a steady rhythm. All told, it's a confident pick for runners who prize a smooth, cushioned roll over raw, sparky speed.

Pros
  • Energetic midsole paired with approachable geometry.

  • Carbon plate.

  • Stable for a super shoe.

  • Very bouncy.

Cons
  • A bit heavy for a super shoe.

8.4
5K/10K Racing 

The Diadora Gara Carbon 2 holds its own for short-course racing, but it's more of a smooth cruiser than a pure burner. The carbon plate provides some stiffness, yet the softer forefoot and weight curb that all-out efficiency you get from the 5K specialists. It suits runners who prefer an energetic feel and stable landing when chasing personal bests.

Pros
  • Carbon plate.

  • Very bouncy.

Cons
  • A bit heavy for a super shoe.

  • Forefoot isn't the firmest.

8.5
Energy Return 

The Diadora Gara Carbon 2 feels very springy from every angle, with consistently energetic feedback that suits most strike patterns. The dual-layer PEBA foam decompresses quickly enough to keep momentum high, but does so in a measured way that doesn't feel harsh, great news for runners who want a bouncy but approachable ride.

7.4
Cushioning 

The Diadora Gara Carbon 2 delivers a satisfactorily cushioned ride. The midsole feels pleasantly plush when you step in, but it stiffens up considerably faster than other shoes when force is applied. As such, the shoe will provide a much softer ride for smaller runners.

Pros
  • Very cushioned, especially in the forefoot.

Cons
None
7.6
Lateral Stability 

The Diadora Gara Carbon 2 is stable, especially for a super shoe. Its broad midfoot platform, carbon plate, and reasonably firm foam keep you confident without the nagging wobble common in softer racers. Even deep into a long run, most runners will find the shoe remains stable and reassuring underfoot, making it a satisfactory option for those seeking high performance without the typically aggressive geometry that often accompanies it.

Pros
  • Carbon plate.

  • Stable for a super shoe.

  • Wide platform.

Cons
None
  • 8.5
    Marathon Racing
  • 8.4
    5K/10K Racing

  • Performance Usages

  • 8.5
    Energy Return
  • 7.4
    Cushioning
  • 7.6
    Lateral Stability
  • Changelog

    1.  Updated Nov 20, 2025: We've converted this review to Test Bench 0.9, which adds a Forefoot Long Run Cushioning test to our performance section. Read more in our changelog.
    2.  Updated Oct 24, 2025: 

      We updated the Pros & Cons, Cushioning, 5K/10K Racing, Heel Energy Return, Heel Cushioning, Forefoot Cushioning, Heel Firmness, Forefoot Firmness, and Forefoot Energy Return boxes to align with the latest test bench and revised the side-by-side comparisons to keep the review accurate.

    3.  Updated Oct 20, 2025: We've converted this review to Test Bench 0.8.2, which updates our methodology for the impact force range used in our compression tests to improve their accuracy. This also affects all usage and performance usage boxes using those compression tests as score components.
    4.  Updated Jul 30, 2025: 

      We revised the phrasing in the Lateral Stability and Forefoot Cushioning boxes to reflect the changes in the latest test bench. We also revised the side-by-side comparison with the adidas Adizero Adios Pro 4.

    Differences Between Sizes And Variants

    We tested the Diadora Gara Carbon 2 in men's U.S. size 9 in the Light Blue/Lapis Blue colorway, as indicated on the label of our unit. This model is sold in a full run of men's and women's sizes, but no wide-fit versions are offered. At launch, Light Blue/Lapis Blue is the only colorway available.

    Popular Running Shoe Comparisons

    The Diadora Gara Carbon 2 is a high-end carbon-plated racer that prioritizes approachability and comfort without sacrificing performance. While most top-tier racers chase maximum efficiency through lightweight constructions and firm toe-offs like the Nike Vaporfly 4, or extreme geometries like the Mizuno Wave Rebellion Pro 3, the Gara Carbon 2 takes a more forgiving approach. Make no mistake, it still packs enough energy return to pick up the pace, but its PEBA-based midsole and geometry deliver a smooth, natural-feeling transition rather than a harsh snap, making it better suited to marathon pacing or long uptempo runs rather than all-out speed over shorter events. Think the elegance and performance of a Ferrari, without the futuristic aggressiveness of a Lambo, yet still unmistakably Italian.

    Its 5 mm drop sits on the lower end of the spectrum and, combined with the plate placement, gives it a ride reminiscent of the On Cloudboom Strike, though the Diadora delivers a noticeably bouncier midsole feel. The wide platform provides surprising stability for a super shoe, but it's not as stable as the Saucony Endorphin Pro 4. Within the market, it aligns most closely with the New Balance FuelCell SuperComp Elite v4: both are more approachable super shoes that prioritize comfort and versatility. It's a strong option for runners who want a similar feel and philosophy to the Diadora but don't necessarily need all its high-end features and peak performance.

    Within Diadora's lineup, the Gara Carbon 2 is the brand's dedicated race-day model, sitting above the Diadora Atomo Star, an unplated uptempo trainer.

    For more options, check out our recommendations for the best running shoes, as well as the best running shoes for men and the best running shoes for women.

    adidas Adizero Adios Pro 4

    The adidas Adizero Adios Pro 4 and Diadora Gara Carbon 2 are both carbon-plated racers that deliver different experiences in the same race-day category. The adidas is lighter and features a more responsive midsole, offering an explosive toe-off that makes it a go-to for runners chasing aggressive splits and pure speed. However, that performance focus comes at the expense of stability, with the adidas feeling a bit more precarious underfoot, especially during longer efforts or when form starts to break down. The Diadora, in contrast, is soft and cushioned, but not overly so like the adidas. It finds a middle ground that many runners will appreciate.

    HOKA Rocket X 3

    The Hoka Rocket X 3 and Diadora Gara Carbon 2 are two plated super shoes with similar performance profiles, offering a balanced blend of cushioning, stability, and speed without going over the top in softness or aggressiveness. Both weigh about the same and deliver comparable energy return and underfoot protection, making them solid options for long-distance racing. The main difference lies in ride character and fit: the Rocket X 3 absorbs more impact, especially in the heel, and feels a touch plusher overall, while the Gara Carbon is slightly firmer at lower forces. Diadora's tighter fit and premium upper materials create a more race-day–focused sensation, while Hoka's more forgiving upper makes it a better choice for runners who want more room without sacrificing performance.

    On Cloudboom Strike

    The On Cloudboom Strike and Diadora Gara Carbon 2 are both carbon-plated racers that share many similarities on paper: similar weight, low drop, and a comparable plate position. However, the Cloudboom Strike is noticeably softer underfoot, but while it offers a well-cushioned ride, its midsole is less responsive and lacks the bounce of the Gara Carbon 2's foam.

    New Balance FuelCell SuperComp Elite v4

    The New Balance FuelCell SuperComp Elite v4 and Diadora Gara Carbon 2 both belong to the subcategory of super shoes designed with approachability and comfort in mind, targeting a broader range of runners rather than only elites. Both offer carbon plates and premium foams, but with more accommodating fits and natural transitions than their hyper-aggressive counterparts. That said, the Diadora outperforms the New Balance in terms of weight and bounciness, offering a livelier, more dynamic feel underfoot that still holds up over marathon distances. However, the SuperComp Elite v4 remains the more accessible option, and it comes in wider sizing, which the Diadora lacks.

    Show more 
    How We Test Running Shoes
    How We Test Running Shoes

    We've recently started buying and testing running shoes with a very data-oriented approach. While we're just getting started, our methodology already has dozens of tests to help you make the right purchasing decision for your needs. Not only do we use high-end equipment to gather objective data, but we also order multiple sizes of the same shoes for team members to be able to log in miles. This real-world testing is done at various paces and conditions, and with different types of workouts, to cover all the bases. This allows us to verify our results and ensure they align with what you might feel with a specific pair.

    Test Results

    perceptual testing image
    Sort:
    RATINGS
    Category:
    All
    Design
    7.9
    Weight
    Weight
    208.1 g (7.34 oz)

    The Diadora Gara Carbon 2 is light enough to feel nimble on race day yet not as feather-weight like top-models like the adidas Adizero Adios Pro Evo 1. You still get a reassuring bit of material underfoot, which helps the shoe feel composed over the full marathon rather than flimsy like the very lightest super-shoes.

    Stack Heights
    Heel Stack Height
    38.1 mm
    Forefoot Stack Height
    31.0 mm
    Heel-To-Toe Drop
    7.1 mm
    Advertised Heel-To-Toe Drop
    6.0 mm
    External Shape
    Outsole Heel Width
    80 mm (3.1")
    Outsole Arch Width
    74 mm (2.9")
    Outsole Forefoot Width
    111 mm (4.4")
    Heel Width-To-Stack Ratio
    2.10
    Forefoot Width-To-Stack Ratio
    3.58
    Internal Shape
    Internal Length
    275 mm (10.8")
    Internal Heel Width
    59 mm (2.3")
    Internal Forefoot Width
    88 mm (3.5")
    Wide Sizing Available
    No

    The Diadora Gara Carbon 2 fixes the long fit of the original model. Length and volume now line up with true-to-size expectations, giving a performance fit typical of most race day options.

    Other Features
    Tongue Gusset Type
    Non-gusseted
    Plate
    Carbon Fiber
    Performance
    8.5
    Heel Energy Return
    See details on graph tool
    Heel Energy Return
    84.0%

    The heel delivers a lively kick each time you land, but the bounce feels relatively controlled. It offers a progressive decompression that results in a clean, forward-directed bounce that helps heel-strikers roll smoothly into the next stride.

    8.5
    Forefoot Energy Return
    See details on graph tool
    Forefoot Energy Return
    84.1%

    At the toes, the shoes serves up the same dynamism, rewarding midfoot and forefoot landings with a satisfying bounce. The energy comes back quickly enough for pace changes yet stays measured, so the ride remains composed during long, steady efforts.

    7.0
    Heel Cushioning
    See details on graph tool
    Energy Absorbed At 550N
    3.54 J
    Energy Absorbed At 1100N
    8.63 J
    Energy Absorbed At 1900N
    13.93 J

    In the heel, the shoe feels decently protective without turning pillowy. The plate sits close to the foot, limiting how much the foam can absorb energy; that trims a bit of plushness compared to other super shoes like the Saucony Endorphin Elite 2.

    7.7
    Forefoot Cushioning
    See details on graph tool
    Energy Absorbed At 800N
    5.06 J
    Energy Absorbed At 1300N
    8.27 J
    Energy Absorbed At 2050N
    11.69 J

    Upfront, the Diadora Gara Carbon 2 is well cushioned, soaking up impact impressively at lower force levels, but becoming proportionally less absorbent at higher force levels.

    6.5
    Heel Firmness
    See details on graph tool
    Firmness At 550N
    53.9 N/mm
    Firmness At 1100N
    136.1 N/mm
    Firmness At 1900N
    317.9 N/mm

    The Diadora Gara Carbon 2 strikes a comfortable middle ground in the heel: soft enough to smooth out landings, yet firm enough to prevent wobble when the miles add up. Stability-minded runners will appreciate the extra backbone without feeling like they’re striking a brick.

    8.4
    Forefoot Firmness
    See details on graph tool
    Firmness At 800N
    109.8 N/mm
    Firmness At 1300N
    234.1 N/mm
    Firmness At 2050N
    502.9 N/mm

    The Diadora Gara Carbon 2 leans a touch softer than aggressive super shoes optimized for shorter distances like the Nike Vaporfly 4, but that also makes it friendlier for longer efforts. The platform remains soft and forgiving at slower paces when less force is applied, but it firms up nicely at faster paces, ensuring a crisp toe-off.

    7.2
    Forefoot Long Run Cushioning
    See details on graph tool
    Energy Absorbed At 10km
    7.75 J
    Energy Absorbed At 20km
    7.66 J
    Energy Absorbed At 30km
    7.62 J
    Energy Absorbed At 40km
    7.59 J