Conner Mantz crushed the 2025 Boston Marathon with a personal best time of 2:05.08—just off the podium in fourth place! Meanwhile Jess McClain, the top American woman, came in at 2:22:43 for seventh ...
A solid metric to know, considering its influence on race performance. Many coaches argue that lactate threshold is one of, if not the, biggest performance predictor. It determines how fast you can ...
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