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On Running Cloudultra 2 Trail Shoe vs Scarpa Rush Trek GTX

Weight and specs compared for 2026 — and which one to choose.

On Running Cloudultra 2 Trail Shoe is the lighter option — 571 g lighter than the Scarpa Rush Trek GTX (66% less weight). If grams matter to you, that is the one to beat.
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Spec On Running Cloudultra 2 Trail Shoe Scarpa Rush Trek GTX
Weight 289 g · 0.289 kg · 0.64 lb 860 g · 0.860 kg · 1.90 lb
Brand On Running Scarpa
Category Footwear Footwear
On Running Cloudultra 2 Trail Shoe
289 g

Trail running shoe at 289g per shoe with Helion superfoam and Missiongrip tread, versatile for both ultrarunning and hiking.

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Scarpa Rush Trek GTX
860 g

Lightweight Gore-Tex approach shoe for mixed terrain.

Full details →

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On Running Cloudultra 2 Trail Shoe vs Scarpa Rush Trek GTX: which should you buy?

If saving weight is your priority, the On Running Cloudultra 2 Trail Shoe wins — at 289 g it is 571 g (66%) lighter than the Scarpa Rush Trek GTX (860 g). That said, the heavier option may justify the extra grams with more capacity, durability or comfort, so weigh the trade-off against how you'll use it.

See where both rank against everything else in this category on the lightest footwear page, or browse the full gear weight database.

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