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Lactic Acid When Running: Why It Burns and How to Clear It

Runners Connect · 10/5/2026, 00:30:00

Runners Connect coach Jeff reviews lactate research showing muscles produce lactate at every pace, blood lactate peaks at 15 to 25 mmol/L 3 to 8 minutes after an all-out sprint, and next-day soreness comes from downhill running muscle damage, not lactate. The fix: jog 10 to 15 minutes near threshold after hard sessions. A 5-week interval trial raised muscle buffering capacity by 25%.

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