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MarathonConsistent Runner

18-Week Sub-4 Marathon

An 18-week plan targeting a sub-3:59 marathon finish (~9:09/mile pace). Designed for runners with half-marathon experience who want their first or a faster marathon. Peaks at 50 miles/week with a structured blend of easy runs, tempo work, marathon-pace runs, and a long run up to 22 miles.

18 weeks
Duration
50 mi
Peak week
~653 mi
Total volume
Marathon
Goal race

Week 1

Establishing Marathon Base

32 mi
this week

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