Improve Your Half Marathon Time

This plan is for intermediate runners working toward a half marathon goal with 5 runs per week.

The source goal is improve. Threshold-heavy half marathon development.

• 14 recommended weeks
• 12-20 supported week range
• 5 runs per week
• 12 taper days

The source focus areas are Threshold, Long Run, Interval.

• Threshold sessions
• Long Run sessions
• Interval sessions

Use 10k Tt, Half Pace Check to anchor effort if you already track benchmarks.

Most easy runs should feel conversational. Quality days should finish with control rather than strain.

Keep easy days easy, sleep consistently, and reduce volume before adding intensity if soreness lingers.

If you are newer to this distance, start at the low end of the run frequency and keep the harder sessions conservative.

• Warm up before faster work.
• Keep one day flexible for life schedule changes.
• Use route, terrain, and weather notes when comparing progress.