James (Sirpoc)
Runner and online coach known as Sirpoc who developed and popularized the 'Norwegian singles' training framework; transitioned from cycling to running and recorded rapid improvements culminating in a 2:24 marathon debut.
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Jun 4, 2025 • 1h 29min
Sirpoc - the creator of the "Norwegian Singles Method"
James (Sirpoc), a runner and online coach who turned a cycling background into a 2:24 marathon debut, explains the Norwegian singles framework. He recounts switching from cycling, early mistakes, finding a sustainable sweet-spot intensity, and using HR and lactate proxies. Short sessions, strict intensity control, and patient progression are highlighted with practical session examples and marathon prep tips.
