How to run faster

Work down the table. The first row you answer badly is your limiter — and the last column is how long that fix takes to show up, which is the part most training advice leaves out.

Most recreational runners answer badly at row one or two, then go looking for interval sessions — which are the answer to row three. Nothing below the row you failed will do much for you until that row is fixed.

Fitness is built by accumulated weeks and it decays when they stop. Eight uninterrupted weeks at 25 km beats four brilliant weeks at 45 km followed by four weeks of nothing, and it is not close. The second pattern is also how most running injuries happen — the sharp ramp, not the volume itself.

• Set the floor, not the ceiling. Decide the smallest week you will complete when everything goes wrong, often three runs of 25–30 minutes. That is the plan. Everything above it is a bonus.
• Fix the day, not the distance. A run with a slot in your week survives a bad week. A run that depends on finding time does not.
• Never make up a missed run. Doubling Saturday because you skipped Thursday is how a missed run becomes a missed month.

This is the part a static PDF plan handles worst. Week 6 of a printed 12-week plan assumes you ran weeks 1 through 5. Miss a fortnight to a cold and the plan has no opinion about it, so you either resume at a load you have not earned or quietly abandon the whole thing.

Almost everything that makes you faster over more than a mile — capillary density, mitochondrial volume, stronger connective tissue, a heart that moves more blood per beat — comes from a lot of low-intensity running, not from suffering.

The trap: run your easy days at a moderate effort and you get the one outcome nobody wants — too hard to recover from, too soft to drive adaptation. That is the single most common pattern among runners who train a lot and never improve.

• Talk test. Full sentences, not gasped fragments. Three or four words at a time means slow down.
• Expect it to feel slow. For many runners easy pace is 60–90 seconds per kilometre slower than the pace they think of as "their pace". That gap is normal.
• Walk the hills if you need to. Holding easy effort matters more than holding easy pace.
• Add frequency before length. A fourth 30-minute run does more than making an existing run 30 minutes longer. Raise weekly volume by roughly 10% at a time and take a lighter week every third or fourth — a rule of thumb rather than a law, but it errs in the right direction.

Threshold is the effort you could sustain for roughly an hour if you had to race it: controlled, uncomfortable, sustainable. "Comfortably hard" is the standard description and it is a good one. If you fade rather than fail to start fast, this is your highest-yield hard session.

• Cruise intervals. 4–6 × 5 minutes at threshold, 60–90 seconds easy jog between. Easiest to pace correctly, and the best place to start.
• Tempo run. 20 minutes continuous inside a warm-up and cool-down. Harder to judge — if the last five minutes are a fight, you started too fast.
• Progression run. 45 minutes, easy to start, last 10 minutes at threshold. Low risk, teaches you to run fast on tired legs.

One a week is enough. Two is not twice the fitness; the second is run tired and the easy days get shortened to accommodate it. Threshold is not a race — running it at 10K effort turns a repeatable weekly stimulus into something that costs three days. If you finish feeling you could have done one more rep, you got it right. And never stack hard days: if the long run is Sunday, threshold belongs on Tuesday or Wednesday.

About four minutes a week, and the fastest-acting item on this page. They build no endurance — they improve how efficiently you recruit muscle, which shows up as quicker turnover at the same effort.

• Strides. After two easy runs a week, 4–6 × 20 seconds building to roughly the speed you could hold for 400m — fast but not straining — with a full walk-back recovery.
• Hill sprints. 6–8 × 10 seconds up a moderate hill, flat out, walking down. The hill caps your stride length, which makes it far lower risk than sprinting on the flat.

They are short by design: the moment they become a workout you recover from, they stop being free. Do them fresh or after easy running, never at the end of a hard session.

This is also the honest answer to most "fix your form to run faster" advice — running fast for short bursts improves mechanics more reliably than consciously changing them does. What is worth changing deliberately is covered in our guides to running form and cadence.

Most top results for this keyword are, in practice, lists of squat variations. Strength training is worth doing — it is well supported for running economy and injury resilience, particularly in the calf, glutes and hamstrings — but presenting it as the answer is misleading. It supports the running; it does not replace it.

Two sessions a week of 20–30 minutes covers it: a squat or split-squat pattern, a hinge, calf raises taken to genuine fatigue, and something for the hips. Heavy and low-rep beats light and endless. Put it on the same day as a hard run so the easy day stays easy. If you have a history of calf or achilles trouble, calf raises are the most valuable item on that list and the one most often skipped.

Pick by the number of days you can genuinely commit to, not the number you would like to.

Notice what does not change as the days go up: still one hard session, still one long run. Every extra day is easy. That is deliberate, and it is the part people get wrong when they add days. Three days done properly for six months will make almost anyone faster.