Couch to 5K Plan: 9 Weeks From Walking to Running 5K

How easy the jogging should feel

Slow enough to talk. Say a full sentence out loud while you jog: if you can, the pace is right. The NHS describes moderate effort as being able to talk but not sing, and vigorous effort as not being able to say more than a few words without pausing for breath. For this plan, stay on the talking side.

The talk test is better tested than it sounds. In a lab study of 16 volunteers, the point where speech first became difficult matched the ventilatory threshold almost exactly, on a treadmill and on a bike (Persinger et al., 2004), and a 2014 review called it a valid, reliable and practical way to set exercise intensity (Reed and Pipe, 2014).

Your jog can be barely faster than your walk, and that’s fine: this plan is built on time, not pace. If you’d like to use heart rate later on, our zone 2 guide explains how to find your easy range. For these nine weeks, the talk test is enough.

The walking breaks are part of the plan

In the first weeks most of each run is walking, and that’s by design. Week 1 asks for 8 minutes of jogging, in one-minute pieces, and over the nine weeks the walks shrink as the jogs grow:

• Jogging per run, weeks 1 to 9: 8, 9, 9, 16, 15, 16, 20, 25 and 30 minutes.
• Longest single jog: 1, 1½, 3, 5, 5, 8, 20, 25 and 30 minutes.

So the plan builds in two ways. Weeks 4 to 6 hold the jogging at about 16 minutes while the jogs themselves get longer (3 and 5 minutes, then 5, then 8), and week 7 is the first with no walk at all.

Keep the walks brisk, and don’t cut them short to get the run over with. In the continuous weeks, if you need a break, slow down first, and walk for a minute if slowing isn’t enough. The NHS plan says the same in its week 7.

When to repeat a week

Repeating a week is normal. The NHS says its plan can take 9 weeks or longer, and its week-by-week plan tells runners it’s fine to repeat a week if they’re not quite ready. Our rule of thumb for this plan: repeat the week if you couldn’t finish the pattern at a talking pace in two of its three runs, if you missed a run, or if anything hurt beyond ordinary muscle soreness.

Two weeks deserve extra care. Week 4 nearly doubles the jogging in each run (9 minutes to 16), and week 7 is the first time the walks disappear (from 8 minutes at a time to 20). Our suggestion: if week 6 felt hard, add a bridging week of 10 minutes jogging, 3 walking and 10 jogging before week 7. It’s the same step the NHS plan takes on the way to its first 25-minute run.

Cinder follows the calendar and has no repeat-week button. To repeat a week, run the previous week’s pattern (it’s under Week by week on the plan’s page) while the app shows the new week, and tick the runs off as usual. If you’re stopping altogether for a while, pause the plan instead.

Shoes

You need running shoes that feel comfortable, and the research suggests that’s most of the decision. Choosing shoes by foot shape made little difference in the biggest test of it: three trials in US Army, Air Force and Marine Corps basic training, about 7,200 recruits in all, found that matching shoes to arch height barely changed injury rates (Knapik et al., 2014). And in 927 new runners who all started in neutral shoes, feet that rolled inwards moderately (pronated feet) were not injured more often than neutral feet over a year (Nielsen et al., 2014).

Looking at that kind of evidence, a group of researchers in Calgary proposed a simpler rule: choose the shoe that feels most comfortable, on the idea that comfort steers you towards the way your body already prefers to move (Nigg et al., 2015). It’s a proposal, not a proven fix, but it’s easy to follow: try a few pairs, jog in them if the shop lets you, and buy the pair you forget you’re wearing.

Sore muscles or shin pain?

Some soreness comes with starting. Muscle soreness after unfamiliar exercise typically peaks two to three days later (Hotfiel et al., 2018). It’s an ache in the muscles themselves (calves, thighs, hips), it tends to ease once you get moving, and it fades as your legs get used to the work (Armstrong, 1984).

Shin pain needs more attention. Shin splints, pain along the inner edge of the shinbone, are among the most common running injuries (Lopes et al., 2012), and the NHS says you’re more likely to get them if you’ve started exercising after not being active for some time. The pain can be sharp or dull, can come during and after exercise, and the sore spot hurts to touch (AAOS OrthoInfo). A bone stress injury is the other thing to rule out: it starts as discomfort in one specific spot on a bone, and such injuries are often seen three to four weeks after someone starts a new exercise routine (AAOS OrthoInfo).

Stop running and see a doctor or physio if the pain is in the bone rather than the muscle, if it’s in one spot you can press on, if it gets worse from run to run, or if it’s there when you walk, makes you limp or aches at night. The NHS says to see a GP if shin pain is getting worse or not getting better, and to get urgent help if it’s severe.

If you miss runs

One missed run: carry on with the week, and don’t make it up the next day, because the plan wants a day between runs. Two missed runs in a week, or a missed week: repeat the last week you finished. A longer break for illness or travel: pause the plan in Cinder, and when you come back, repeat the last week you completed before moving on. These are our suggestions, not rules from the app.