Running Plan Review Arthur Lydiard 10K

Does it build you up smartly?

The order is right. What fills each session is thinner than the order deserves.

Lydiard's reasoning was simple. Lay the aerobic base first, then build strength on hills, then add speed with short, fast repetitions, and keep the three in balance. Easy running is the base that carries harder training and helps the body adapt to it, and plans that change their emphasis from block to block race better than training at one constant load.

Lydiard's version of this is still the clearest. Fourteen weeks of aerobic running, the last two with mixed speeds and strides added, then 4 weeks of hills, 4 of hard repetitions and 5 of sharpening. Each phase is labelled on the calendar, and each one prepares you for the next.

But the schedule says little about what each session holds. A hill day is 30 to 60 minutes and nothing more: no number of climbs, no effort, no rest between them. The mixed speed runs give a length and no shape. For a runner who reads effort well, that is freeing. For one who wants numbers, it's disorienting, and the first weeks of hills will involve some guessing.

The base also never eases off. Lydiard ran 7 days a week himself from 1949, and he treated those months of aerobic running as one block of conditioning, not a run of weeks to rise and fall. So weeks 1 to 12 are the same week, run 12 times, at the biggest volume of the plan. The running does get lighter later, but only as each new phase starts, never as a planned break. Lighter weeks every few weeks let built up tiredness clear, so the body absorbs the work and stays healthier. The book schedules no easy weeks, so if you need one in the base, you'll have to take it yourself.

Does it protect you from injury?

Partly. The plan never piles on volume, but it often stacks hard days and leaves strength off the calendar.

Start with what it gets right. Sharp jumps in weekly running raise injury risk, and after week 1, this plan's running only shrinks. New kinds of hard work arrive one at a time, never in a bigger week. The risk sits at the start instead: if your weeks aren't already close to 8 hours, week 1 is the jump.

The bigger concern is how the hard days fall. In the hill weeks, Wednesday's hills, Thursday's mixed speeds, Friday's strides and Saturday's hills come four days running. In the sharpening weeks, Monday's fast bursts, Tuesday's mixed speeds, Wednesday's time trial and Thursday's strides do the same. Thursday's run is meant to be relaxed and the strides are short, but each asks for some speed, and across the plan a hard day is followed by another 13 times. Most coaches would put an easy day between hard sessions, so the legs come to each one fresh. Here, that easy day often isn't there.

There's no strength training on the calendar either. The book mentions weights, but only with expert guidance, and leaves it there. The hill phase builds leg strength, but it ends in week 18, and nothing takes its place. Strength training substantially lowers injury risk in sport, so finding the time and the guidance for it is a gap the runner has to fill.

The book does cover injuries and their warning signs, but none of that reaches the schedule. A niggle that won't clear appears to raise the chance of a full injury. With four days of work in a row in the hill and sharpening weeks, the first sign of one is the moment to drop a session, not to finish the week.

What happens when you miss a day?

Lydiard's schedule bends a little every day. Many runs come as a range, 60 to 90 minutes or 90 to 120, and the choice inside it is yours. Every run is set by feel, so there's nothing to recalculate on a flat day. The book tells you to stop repetitions when your body says enough, and to ease off for a few days when your legs are overly tired. A plan with no paces gives way more easily than one with a number on every rep.

But the bigger disruptions are left to you. Every day already has a run on it, so a missed session has nowhere to go. Nothing says which runs to keep in a short week. The long run and the hard days are clearly the ones that matter most, but you have to work that out for yourself. And if you lose a whole week, there's no rule for whether to repeat it or carry on.

The book teaches the method well enough that a reader can make these calls with some confidence. A runner who only follows the grid will find them harder.

Will it get you ready for race day?

A 10K is fast enough to hurt and long enough that the hurt has to be managed. The sharpening phase trains exactly that, and it's the best part of this plan.

For 5 weeks, you run 2 time trials a week, from 1500 m up to the full 10 km, at an even effort with no sprint finish. In weeks 24 and 26, Saturday's time trial is the race distance itself. You learn what the effort feels like at halfway, where it starts to bite, and how much is left at the end, and you learn it twice before it counts. Then the running falls away. Race week holds short fast bursts, an 800 m time trial, strides and 2 easy jogs before Saturday's race, and cutting back like this in the last weeks makes runners faster on race day than training on at full load.

But the plan builds threshold less than it could. Threshold is the hard effort you can keep up for a long stretch, only just, and a 10K leans on it. It improves mainly by running at it. This plan's closest sessions are the three quarter effort time trials of 3 and 5 km in weeks 19 to 21. There are only 3 of them, and they don't grow from one week to the next.

The long run doesn't build either. It's 2 hours from the very first Sunday and never grows. After week 14, Sunday becomes a long jog of 90 to 120 minutes, and in the sharpening phase it shrinks to 90 minutes, then 60. For a 10K, 2 hours is plenty. But with no build, you need to be ready for 2 hours in week 1.

Are the workouts varied enough?

Most of 10K speed comes down to three things: the size of your aerobic engine, how close to its limit you can run for a long stretch, and the economy of your stride. Mixing easy running with clearly hard sessions builds endurance better than a steady diet of medium effort.

Lydiard's plan does that well. About 83 percent of the running is easy, and the hard running rarely repeats itself from one month to the next. One month you're bounding up a hill three times a week. The next you're running 400 m repetitions on a Saturday. By the end you're running a 3 km time trial on a Wednesday and the full 10 km that Saturday.

But the first 12 weeks have none of it. There are no strides, no hills and no faster running of any kind until week 13. Short, fast efforts like strides make running more economical, through a more efficient stride rather than a bigger engine, and a few in the base would cost very little. The book leaves drills to the runner, so adding a handful of strides to an easy day during the base is a reasonable call to make for yourself.