The Saucony Endorphin MD4 is a high performance mid-distance spike intended for elite-level runners, designed for 800m to 1500m events.


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.

Model Number:

Weight: 3.3 oz/93.6 g (size 9)

How It Fits (based on width D)

  • Sizing: Standard running shoe length
  • Heel: Medium to narrow
  • Midfoot: Low volume
  • Forefoot: Medium to narrow
  • Toebox Height: Medium to low
  • Shoe Shape: Curved


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


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


  • 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.

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