TreadLeft Blog

Running tips, shoe guides, and training insights from the TreadLeft team.

300 Miles or 6 Months? The Real Lifespan of a Running Shoe
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300 Miles or 6 Months? The Real Lifespan of a Running Shoe

The running industry tells us to replace our shoes every 300 to 500 miles, but foam degradation doesn't follow a strict odometer. Discover the physical signs of a dead midsole, how outsole wear alters your biomechanics, and why your target race pace might be suffering from expired gear.

9/1/2026Read article
The 48-Hour Rule: Why Your Midsole Foam Needs a Rest Day

The 48-Hour Rule: Why Your Midsole Foam Needs a Rest Day

You wouldn't run a hard workout on back-to-back days without letting your muscles recover, yet most of us do exactly that to our running shoes. Here is the science behind the "48-Hour Rule" and why giving your midsole foam time to decompress can dramatically extend the life of your expensive trainers.

8/19/2026Read article