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Brooks Glycerin 23 vs Topo Athletic Ultrafly 6

The specs that matter for triathlon, side by side, from each maker’s own published figures.

Specs for Brooks Glycerin 23 and Topo Athletic Ultrafly 6
SpecBrooks Glycerin 23Topo Athletic Ultrafly 6
Type Daily trainer Daily trainer
Support Neutral Stability
Heel-to-toe drop 8 mm 5 mm
Heel stack 38 mm 32 mm
Weight 300.5 g 272 g
Carbon plate No No
Wide width available Yes Yes
Price See retailer ~$150.00

Which should you pick?

Brooks

Pick the Glycerin 23 if…

On the specs above it doesn’t pull ahead, so choose on fit, feel or price.

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Topo Athletic

Pick the Ultrafly 6 if…

  • you want the lighter one: 272 g vs 300.5 g
Check price →

Specs from the makers’ own pages: Brooks, Topo Athletic.

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