AI-Powered Training
Sub-4 Marathon Plan
Build toward 3:59:59 with marathon-specific pacing, progressive long runs, and structured recovery.
Build My Sub-4 Plan
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Preview Your First Week
See how we structure your training.
Mon
WorkoutEasy 8k
Tue
WorkoutTempo 8k
Wed
WorkoutEasy 6k
Thu
WorkoutIntervals 6x800
Fri
RecoveryRest
Sat
WorkoutLong 18k
Sun
RecoveryRest
This is just a sample. Your actual plan will be customized to your exact pace and schedule.
Customize This PlanA focused plan for the 4-hour barrier
Sub-4 requires sustainable marathon pace, aerobic durability, and disciplined race execution.
Sub-4 marathon pillars
Sustain Marathon Pace
Develop the ability to hold around 9:09 per mile or 5:41 per kilometer over 26.2.
Execute Evenly
Use race-pace sessions and fueling practice to maintain splits late in the race.
Sub-4 marathon plan features
Sub-4 pace workout targeting
Long-run progression with quality segments
Threshold and marathon-pace integration
Taper and race-week planning
Calendar sync and PDF exports
Free personalized generation
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Sub-4 Marathon FAQs
Next Steps
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