Skip to content
Dashed and solid white lines painted on a red running track

Guide

Should you repeat a week of a 9-week running plan?

Repeat a week if you had to stop during the longest run on 2 of 3 days, or failed the talk test at a slow pace. Otherwise move on to the next week.

990 min884 min775 min663 min551 min448 min327 min227 min124 min
Nine lanes, nine weeks. Solid chalk is running, dashes are walking, drawn to scale in minutes.

Photo by H&CO on Unsplash

990 min884 min775 min663 min551 min448 min327 min227 min124 min
Nine lanes, nine weeks. Solid chalk is running, dashes are walking, drawn to scale in minutes.
Short answer

Move on if you finished all three sessions, even slowly. Repeat a single day if one session went badly. Repeat the whole week if you had to stop during the longest run on two of the three days, or could not pass the talk test even at a slow pace. Repeating adds three sessions, not a restart.

The plan is written as nine weeks, but nothing about it requires you to finish in nine. The NHS version of the beginner plan says you can complete it “in 9 weeks or longer, depending on what works best for you” (NHS). The real question is when a repeat helps and when it just slows you down. Clear rules make that decision easier than going by mood.

Should I repeat a week or move on?

Move on if you completed every run interval on all three days, even if you ran slowly. Repeat a single day if just one session went badly. Repeat the whole week if you had to stop during the longest run on two of the three days, or if you could not pass the talk test even at your slowest jog.

Finishing slowly counts as finishing. The plan measures minutes of running, not speed or distance.

What does each week ask of you?

Here is every week with its run time per session, longest single run, and the signal that suggests a repeat. Use it alongside the full 9-week plan.

WeekRun minutes per sessionLongest runSignal to repeat
181 minYou stop during the 1-minute runs on 2 of 3 days
291.5 minYou stop during the 90-second runs on 2 of 3 days
393 minYou cannot finish the 3-minute runs on 2 of 3 days
4165 minYou stop during either 5-minute run on 2 of 3 days
515–2020 min (day 3)You stop during the 8-minute runs on day 2, or the 20-minute run on day 3
618–2525 min (day 3)You stop during the 10-minute runs on day 2, or the 25-minute run on day 3
72525 minYou stop during the 25-minute run on 2 of 3 days
82828 minYou stop during the 28-minute run on 2 of 3 days
93030 minYou stop during the 30-minute run on 2 of 3 days

Weeks 5 and 6 are different from the rest because each day is a different session. For those weeks, repeat the specific day that did not go to plan rather than the whole week.

Which weeks have the biggest jumps?

Weeks 4, 5 and 6. Week 4 takes run time per session from 9 to 16 minutes, an increase of 7 minutes, and the longest run from 3 to 5 minutes. Week 5 ends with a 20-minute continuous run when the longest run two days earlier was 8 minutes. Week 6 ends with 25 minutes after a day of two 10-minute runs.

Weekly totals show the same pattern. Running time across the three days is 24 minutes in week 1, 27 in weeks 2 and 3, then 48 in week 4 and 51 in week 5. If you know these jumps are coming, a repeat at week 4 or 5 is a plan, not a setback. Why week 5 feels so hard looks at week 5, day 3 in detail.

I failed the week 4 run. What should I do?

Run it again, slower. A frequent reason to stop during the 5-minute runs in week 4 is starting too fast. Use the CDC talk test: you should be able to talk, but not sing (CDC). On the pace pages, a jog at 14:00 min/mile covers 1.14 miles across week 4’s 16 minutes of running, only 0.09 miles less than at 13:00.

If you still stop on two of three days at the slower pace, repeat week 3 once, then return to week 4. The stuck week helper walks through this for any week.

How do I repeat without losing momentum?

Keep the same three days and the same time of day. A repeated week is still three sessions of around 30 minutes, so it should fit the slot you already have. The Physical Activity Guidelines for Americans count moderate activity toward a weekly total (HHS), so a repeated week is still a full week of activity.

Write the repeat into your plan. If you use the plan builder, regenerate the calendar from the repeated week so your remaining dates stay correct. If you use the printable plan, add a second row for that week.

When is repeating the wrong choice?

When the week went fine and you are repeating out of worry. If you finished every interval on all three days and could talk during the runs, move on. Repeating a comfortable week does not make the next jump smaller; it only delays it.

It is also the wrong choice after a long break. If you missed two or more weeks, use the restart rule instead. The restart calculator and restarting after 2 weeks off show which week to go back to.

If you have a health condition or haven’t exercised in a long time, check with a doctor before starting.

Frequently asked questions

Should I repeat a week if one run felt hard?

Usually not the whole week. If one of the three sessions went badly but the other two were fine, repeat just that day before moving on. Repeat the full week only when the same problem shows up on two of the three days, such as stopping during the longest run.

I failed the week 4 run. What now?

Week 4 nearly doubles run time per session, from 9 minutes in week 3 to 16 minutes, and the longest run goes from 3 to 5 minutes. Run it again at a slower pace. If you still stop during the 5-minute runs on two days out of three, repeat week 3 once, then try week 4 again.

How many times can I repeat a week?

There is no fixed limit. The NHS says the plan can take 9 weeks or longer. If you repeat the same week three times without progress, change one thing first: run slower, add a rest day between sessions, or go back one week rather than repeating the same one again.

Does repeating a week mean I am failing the plan?

No. The plan is written in minutes, and the finish is 30 minutes of running. Two repeated weeks make it an 11-week plan with the same finish. Repeating is part of using the plan as written, not a step backward, and the sessions you repeat still count toward your weekly activity.

FirstFiveK team

Compiled and computed from public data · How we calculate · Sources · Updated

Last checked · What changed: first edition; every figure recomputed from the published formulas · Corrections policy