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Altra Timp 4 vs Inov-8 TrailFly Ultra G 280

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

Inov-8 TrailFly Ultra G 280 is the lighter option — 340 g lighter than the Altra Timp 4 (55% less weight). If grams matter to you, that is the one to beat.
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Spec Altra Timp 4 Inov-8 TrailFly Ultra G 280
Weight 620 g · 0.620 kg · 1.37 lb 280 g · 0.280 kg · 0.62 lb
Brand Altra Inov-8
Category Footwear Footwear
Altra Timp 4
620 g

Moderate cushion zero-drop trail shoe with wide platform.

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Inov-8 TrailFly Ultra G 280
280 g

Licht trailrunning- en hikingschoen met slechts 280g per schoen, graphene-versterkt grip en responsieve demping

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Altra Timp 4 vs Inov-8 TrailFly Ultra G 280: which should you buy?

If saving weight is your priority, the Inov-8 TrailFly Ultra G 280 wins — at 280 g it is 340 g (55%) lighter than the Altra Timp 4 (620 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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