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Break away from the pack with the Saucony Endorphin MD4. This ultralight mid-distance spike is designed for maximum performance in 800m to 1500m events. A thin mesh upper keeps your foot connected to a Pebax spike plate which provides a snappy ride and unrelenting grip on the track. Includes twelve 1/4" pyramid spikes and a spike wrench.

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Weight: 3.1 oz (size 8)

How It Fits (based on width B)

  • Sizing: Standard running shoe size
  • Heel: Medium
  • Mid-foot: Medium volume
  • Forefoot: Medium
  • Toe-Box Height: Low
  • Shoe Shape: Curved


The Endorphin MD4 is a mid-distance spike for serious athletes and is intended for 800m to 1500m distances.


  • To keep weight down, this shoe contains no additional cushioning technologies.


  • SSL EVA is Saucony's premium midsole material for lightweight comfort, rebound and durability.


  • Open Mesh covers the entire upper and is a breathable lightweight fabric.
  • Flex Film Overlays are made of a thin film that is welded to the upper for a snug, secure fit.


  • Pebax Plate is a full-length polymer plate that provides lightweight, flexible traction.
  • Contains 6 spike receptacles per shoe.

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