STRIDELY Academy
Achilles Pain

Achilles Pain Going Downhill: Causes and Fixes

Why your Achilles hurts on descents — eccentric load, mechanics, and how to train it out.

What this pattern usually means

Downhill running multiplies eccentric load on quads, knees, and the patellar tendon. Pain only on descents usually points to strength or mechanics, not structural damage.

What to do today

  • Walk descents for 1-2 weeks while you rebuild capacity
  • Add eccentric quad work (slow tempo squats, step-downs)
  • Increase cadence 5-10% on downhills
  • Avoid braking — lean slightly forward, shorter steps

When to worry

  • • Pain now showing up on flats too
  • • Catching or locking sensation
  • • Sharp pain you have to limp from

Common causes of Achilles pain

  • Achilles tendonitis
  • Insertional tendinopathy
  • Speedwork or hill spikes
  • Drop change in shoes

Could it be one of these injuries?

Achilles Tendinopathy

Achilles tendinopathy is degeneration and disorganization of the Achilles tendon fibers from chronic overload. It's not a classic 'inflammation' injury — the modern model is that the tendon adapts poorly to load, thickens, and becomes painful. Two main types: insertional (at the heel) and mid-portion (2-6 cm above the heel).

Other Achilles pain patterns

Achilles pain when running
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Achilles pain after running
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Achilles pain on impact
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Achilles pain at rest
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Achilles pain in the morning
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