The ASICS Piranha SP 5 is a elite-level road racing flat ideal for distances from 5K to the half marathon.


Those seeking to outperform the competition will find a companion in the ASICS Piranha SP 5.  A seamless upper and lightweight Solyte midsole combine to create ASICS' lightest racing flat ever built, ensuring that nothing will hold you back on your way to a personal best.  Lace up and prepare to devour the competition.

Model Number:

Weight: 3.8 oz/107.7g (size 9)

How It Fits (based on width D)

  • Sizing: Fits large; purchase 1/2 size smaller than standard running shoe length
  • Heel: Medium to narrow
  • Midfoot: Low volume
  • Forefoot: Medium
  • Toe-Box Height: Low
  • Arch Structure: Medium-low
  • Shoe Shape: Curved


  • Solyte is an ultra light, top-of-the-line midsole that delivers durable and responsive cushioning.
  • Magic Sole uses a vented midsole to minimize weight and increase breathability.


  • DuoSole Outsole provides lightweight, flexible, and durable traction.


  • Seamless Upper Construction allows for irritation-free sockless wear.

Footwear Performance Characteristics

Pronation Grade:

  • Neutral
  • Minimum
  • Moderate
  • Maximum

Heel-To-Toe Drop (mm):

  • 0
  • 1-2
  • 3-4
  • 5-6
  • 7-8
  • 9-10
  • 11+

Stack Height:

  • Barefoot
  • Minimal
  • Low
  • Medium
  • High
  • Maximal


  • Road
  • Road/Trail
  • Hard Trail
  • Varied Trail
  • Soft Trail

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