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  1. Shoes
  2. Diadora Nucleo 2 GR vs Topo Mtn Racer 4

Diadora Nucleo 2 GR vs Topo Mtn Racer 4

Diadora Nucleo 2 GR

Diadora Nucleo 2 GR

€155
Topo Mtn Racer 4

Topo Mtn Racer 4

$155

Quick verdict

Diadora Nucleo 2 GR

€155

The better pick if you want:

  • More cushioning (37 vs 33 mm heel stack)

Topo Mtn Racer 4

$155

The better pick if you want:

  • A higher overall score (82 vs 74)
  • A lighter option (25 g less)
SpecsReview10Alternatives5

Spec profile

Each axis ranks against the 174 products in Shoes on the site: the further out, the more it stands out in that spec (lighter, cheaper…).

Center: lowest in the category · Edge: highest

Diadora Nucleo 2 GR· leads in 1

Cushioning

Topo Mtn Racer 4· leads in 1

Lightness

Tied

Affordability
  • Cushioning

    37 mmTop 29%
    33 mm
  • Lightness

    320 g
    295 g
  • Grip

    No data
    5 mmTop 13%
  • Drophigher isn't better or worse

    5 mm
    5 mm
  • Affordability

    $155Top 46%
    $155Top 46%

A spec without data for a product is left out of its shape, so it doesn't count as a low score.

Technical Specifications

Compare features between Diadora Nucleo 2 GR vs Topo Mtn Racer 4

Best value in this comparison
Feature
Diadora Nucleo 2 GR€155Topo Mtn Racer 4$155

Essentials

€155
$155
2025
2025
320 g
295 g

Overview

Neutral Running Shoe
Trail Running Shoe
Gravel, grass, light trail and road surfaces
Technical trail
Daily training, long runs, mixed surface running
Technical trail running, trail races, and rugged terrain runs

Cushioning

5 mm
5 mm
37 mm
33 mm
32 mm
28 mm
Anima technology for responsive cushioning
Proprietary springy compound for high cushioning and rebound
—
Responsive underfoot feel with high cushioning

Grip & protection

Duratech 5000 wear-resistant rubber compound
Vibram® Megagrip for traction and durability on technical terrain
—
Gaiter compatible for additional debris protection
—
Vibram Megagrip multi-directional traction

Upper & fit

—
Fine-tuned engineered mesh for performance and debris resistance
DDATTIVO removable cushioned insole
FKT insole for faster water drainage and added rebound
—
Roomy toe box, secure midfoot and heel for natural alignment and stability
Ready to buy?

On the terrain

How Diadora Nucleo 2 GR vs Topo Mtn Racer 4 should behave on each kind of ground, estimated from lug depth, stack height, weight and outsole rubber. Pick a ground to see what decides it.

Pick a groundAverage
Diadora Nucleo 2 GR50
Topo Mtn Racer 465

FlatPacked, runnable trail

Cushioning and low weight make the kilometres easier; very deep lugs squirm on hard ground.

Diadora Nucleo 2 GR68
  • Cushioning35/40
  • Lightness8/35
  • Smooth roll25/25

Estimated: no data on lug depth, assumed average.

Topo Mtn Racer 459
  • Cushioning27/40
  • Lightness15/35
  • Smooth roll17/25

A model built from the specs to compare shoes, not a lab measurement.

Diadora Nucleo 2 GR

Have you used the Diadora Nucleo 2 GR before?

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Topo Mtn Racer 4

Have you used the Topo Mtn Racer 4 before?

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Video Reviews

Watch real-world YouTube reviews from content creators and the Trail Running community.

See all 10 video reviews

Diadora Nucleo 2 GR

Topo Mtn Racer 4

Visual Comparison

See the differences between Diadora Nucleo 2 GR and Topo Mtn Racer 4 in a side-by-side slider comparison.

Diadora Nucleo 2 GR
Topo Mtn Racer 4

Comparison Questions

Answers based on product data and key differences.

Ask your own question

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Frequently Asked Questions

Which offers better value: Diadora Nucleo 2 GR vs Topo Mtn Racer 4?

For value comparison: The Diadora Nucleo 2 GR ($155) provides premium features compared to the Topo Mtn Racer 4 ($155). Consider your budget and the specific features that matter most for your trail running setup.

Which is newer, the Diadora Nucleo 2 GR or the Topo Mtn Racer 4?

Both came out in 2025.

Looking for alternatives to Diadora Nucleo 2 GR?

Closest in price, with what each one does better.

See all alternatives
1Nike ACG Pegasus Trail
Nike ACG Pegasus Trail

Nike

$155Score 73−1

Better than Diadora Nucleo 2 GR at:

  • A lighter option (34 g less)
Compare with Diadora Nucleo 2 GR
2La Sportiva Akasha 2
La Sportiva Akasha 2

La Sportiva

$155Score 71−3

Better than Diadora Nucleo 2 GR at:

  • A lighter option (10 g less)
Compare with Diadora Nucleo 2 GR
3Topo Ultraventure 4
Topo Ultraventure 4

Topo

$155Score 69−5

Better than Diadora Nucleo 2 GR at:

  • A lighter option (25 g less)
Compare with Diadora Nucleo 2 GR

Popular Comparisons

Compare Diadora Nucleo 2 GR or Topo Mtn Racer 4 with other top trail running shoes from brands such as Diadora, Topo and more.

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Salomon S/Lab Genesis 2
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