Running After 40: Lessons From 17 Marathons, 2 Ironman & 25 Ultras

24 Aug 2025 · 61 min
1:00:44

Sean Lee started running at 45 and has now completed 25 ultras, 2 Ironmans, and 17 marathons with a 2:54 marathon PR. He spent a decade making critical mistakes: no structured training, poor nutrition, and ignoring his own coaching advice. A low-heart-rate base, a 30-minute nutrition alarm, and speed work transformed his performance so he could finish strong.

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