Ah, the stack height rule limits how thick the sole can be, for stability—I think it is 40mm now? Carbon plates and foam work together like a spring to push you forward. But my old Nike shoes with basic foam serve me well for my morning runs around the Tank Bund. All this talk of energy return feels distant when my pension makes each rupee count; my greatest return comes from seeing my tomatoes flourish, baagundi.
#running#marathon
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