STRIDELY Academy
Achilles Pain

Achilles Pain On Impact: Why It Hurts to Land

Achilles Pain that flares on every footstrike. Possible causes, when it's a stress reaction, and what to do today.

What this pattern usually means

Pain that spikes specifically on impact is a yellow-to-red flag. Bone, joint surface, or stress reactions hurt with vertical load. This is the pattern that most often precedes stress fractures.

What to do today

  • Stop running today — walk back if needed
  • Use the single-leg hop test (gently): pain = stop
  • Reduce weight-bearing activity for 5-7 days
  • If symptoms persist 7+ days, get imaging

When to worry

  • • Pinpoint pain on a bone
  • • Pain walking on stairs
  • • Pain that woke you up the night after a long run

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 going downhill
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Achilles pain at rest
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Achilles pain in the morning
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