Couch to Half Marathon Training Plan: 22-Week Schedule
From walk-run to half marathon in 22 weeks: a 10-week walk-run start, then a 12-week half marathon plan with 2–4 sessions a week and a longest session of 2 hours. Every week of both stages is below. Or let SportPlan build it around your schedule and race date.
13.1 miles / 21.0975 km
22 weeks in total: a 10-week walk-run start, then the 12-week half marathon plan. These are two consecutive templates; the second stage uses its own weekly session pattern.
22 weeks · 0.8–4.4 hours a week · 2–4 sessions per week · longest session 120 min

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Week-by-week schedule
Stage 1: 10-week walk-run start
| Week | Phase | Sessions | Weekly total |
|---|---|---|---|
| Week 1 | Base |
| 90 min · 3 sessions |
| Week 2 | Base |
| 90 min · 3 sessions |
| Week 3 | Build |
| 93 min · 3 sessions |
| Week 4 | Build |
| 66 min · 3 sessions |
| Week 5 | Build |
| 96 min · 3 sessions |
| Week 6 | Specific |
| 96 min · 3 sessions |
| Week 7 | Specific |
| 96 min · 3 sessions |
| Week 8 | Specific |
| 98 min · 3 sessions |
| Week 9 | Taper |
| 82 min · 3 sessions |
| Week 10 | Taper |
| 82 min · 3 sessions |
Stage 2: 12-week half marathon plan
| Week | Phase | Sessions | Weekly total |
|---|---|---|---|
| Week 11 | Base |
| 150 min · 4 sessions |
| Week 12 | Base |
| 135 min · 3 sessions |
| Week 13 | Base |
| 200 min · 4 sessions |
| Week 14 | Build |
| 120 min · 3 sessions |
| Week 15 | Build |
| 225 min · 4 sessions |
| Week 16 | Build |
| 160 min · 3 sessions |
| Week 17 | Build |
| 265 min · 4 sessions |
| Week 18 | Specific |
| 175 min · 4 sessions |
| Week 19 | Specific |
| 214 min · 4 sessions |
| Week 20 | Specific |
| 150 min · 3 sessions |
| Week 21 | Taper |
| 140 min · 3 sessions |
| Week 22 | Taper |
| 50 min · 2 sessions |
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Questions about this schedule
How long is this schedule?
The complete schedule contains 22 weeks.
How many sessions are scheduled each week?
The schedule contains 2–4 sessions per week, counting every listed session, including strength and mobility when present.
How long is the longest session?
The longest scheduled training session is 120 minutes. Race day has no estimated duration in this table.
What do the final weeks contain?
The final weeks are labelled Specific → Taper. Their complete sessions and durations are listed in the schedule.
Plans by target time
Choose your week count
By sport and distance
- 5K Training Plan for Beginners: 6-Week Schedule
- Couch to 5K Training Plan: 10-Week Schedule
- 10K Training Plan: 10-Week and 8-Week Schedules
- 5K to 10K Training Plan: 16-Week Schedule
- Couch to 10K Training Plan: 18-Week Schedule
- Cycling Training Plan: 10-Week and 12-Week Schedules
- Olympic Triathlon Training Plan: 12-Week Schedule
- Sprint Triathlon Training Plan: 8-Week Schedule
- 70.3 Triathlon Training Plan: 16-Week Half Distance
- Trail Running Training Plan: 12-Week Schedule
- 50K Trail Training Plan: 16-Week Schedule
Calculators and race calendars
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This is a general template, not medical advice; check with a doctor before you start a new training load.