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Altra Olympus 5 vs Nike ACG Pegasus Trail (Men's US9)

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

Nike ACG Pegasus Trail (Men's US9) is the lighter option — 355 g lighter than the Altra Olympus 5 (55% less weight). If grams matter to you, that is the one to beat.
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Spec Altra Olympus 5 Nike ACG Pegasus Trail (Men's US9)
Weight 650 g · 0.650 kg · 1.43 lb 295 g · 0.295 kg · 0.65 lb
Brand Altra Nike
Category Footwear Footwear
Altra Olympus 5
650 g

Maximum cushion zero-drop trail shoe for long days.

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Nike ACG Pegasus Trail (Men's US9)
295 g

Trail running shoe with terrain-ready design combining road speed and off-road grip. 295g, available April 2026, $140-155

Full details →

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Altra Olympus 5 vs Nike ACG Pegasus Trail (Men's US9): which should you buy?

If saving weight is your priority, the Nike ACG Pegasus Trail (Men's US9) wins — at 295 g it is 355 g (55%) lighter than the Altra Olympus 5 (650 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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