This is not a plan. Plans are everywhere and most of them are fine. This is the short list of things that, looking back over a lot of marathons and a lot of friends' marathons, actually separated the good days from the long walks home. Twelve of them. None is clever. All of them are easy to skip.
A note before the list: nothing here is medical advice. If you have a heart, joint, or metabolic condition, or you are coming back from injury, talk to someone qualified before you start a six-month block.
1Give it six months, not twelve weeks
The twelve-week plan exists because people sign up late. Six months is what the distance actually asks for if you want to arrive fit rather than merely trained. Spend the first eight weeks building an easy, consistent base at conversational effort. Spend the next twelve on the real work below. Keep the last four for sharpening and tapering. A longer runway also means a missed week from a cold or a work trip is a bump, not a crisis.
2Four days a week is enough, if they are the right four
Three quality days and one easy one, or two quality and two easy. A sensible shape:
| Day | Session | Why |
|---|---|---|
| Tuesday | Intervals or hills, 35 to 50 minutes total | Raises the ceiling (see VO2max below) |
| Thursday | Tempo or marathon-pace run, 40 to 70 minutes | Teaches your body to hold pace tired |
| Saturday | Long run, 90 minutes building to 3 hours | The whole point |
| Sunday or Monday | Easy 30 to 45 minutes, or a brisk walk | Blood flow, not fitness |
Everything else is optional. Five or six days works if you have the recovery budget. Four done every week beats six done most weeks.
3The long run is the race, rehearsed
Build it slowly, no more than about ten percent a week, and peak at 20 to 22 miles three weeks before race day. Run most of it easy. From week twelve on, finish a few of them with the last four to eight miles at goal marathon pace. That is where you learn what your pace feels like on tired legs, which is the only pace that matters. Practice the fuel, the shoes, the shorts, the start time, and the breakfast on these runs. Nothing new on race day is a cliché because it is true.
4Tempo work is where the marathon is won
A tempo run is comfortably hard: you could say a sentence but would rather not. Twenty minutes at that effort, growing to forty or fifty, once a week. Later in the block, replace some of it with marathon-pace running, which is a notch easier but longer. These runs raise the pace you can hold for hours, and that is a far better predictor of your finish than anything you do on a track.
5VO2max work, in small doses
Your VO2max is the size of the engine. It responds to short, hard repeats with equal rest: five by three minutes hard, or eight by 400 meters, or a hill you run up for ninety seconds and jog down. One session a week, never two, and not at all in the last two weeks. It hurts, it is over quickly, and it makes every other pace feel cheaper. Watch-estimated VO2max numbers are a trend line, not a truth; what matters is whether the number is moving the right way over months.
6Strength, twice a week, for twenty minutes
Runners get hurt because something small gets tired before the legs do: a hip, a calf, the muscles that keep your pelvis level at mile twenty. Twice a week, after an easy run: single-leg squats or step-ups, calf raises until they burn, a hinge movement such as a deadlift or glute bridge, side planks, and something for your upper back so your arms still swing late in the race. Twenty minutes. The goal is to be the same runner at mile 24 as at mile 4.
7Shoes: rotate two, race in one you have long-run in
Keep two pairs in rotation so neither is ever fully compressed, and so your feet see slightly different loads. Replace them somewhere around 300 to 500 miles, sooner if the midsole feels dead or you notice new aches. If you plan to race in a plated shoe, do at least two long runs and one marathon-pace session in it; those shoes change how your calves and feet work. Buy the race pair at least six weeks out.
8Fuel during the run, and practice it until it is boring
Past about ninety minutes, you are burning through carbohydrate faster than you can store it. Aim for 60 to 90 grams of carbohydrate an hour from gels, chews, or drink, starting in the first thirty minutes, not when you feel bad. Your gut is trainable: take fuel on every long run so it learns. Find out what the race hands out at aid stations and either train with that product or plan to carry your own. Salt helps if you are a heavy or salty sweater, especially in heat.
9Eat for the work, every day
The training block fails quietly when you under-eat. Carbohydrate before and after the hard days, protein spread through the day, and real meals rather than a bar in the car. In the last three days, raise carbohydrate and lower fiber so your stomach is calm at the start. Do not try to lose weight in the last eight weeks; it costs more fitness than it saves.
10Sleep and the easy days are the training
The hard sessions make the request. Sleep and easy days grant it. Eight hours is the target, and the night two days before the race matters more than the night before, which will be bad anyway. Easy means easy: if you can not hold a conversation, you are stealing from tomorrow. A resting heart rate drifting up for several days is your body asking for a lighter week; give it one.
11Taper, then trust it
Three weeks out, cut volume by about a quarter. Two weeks out, by about forty percent. Race week, run short, with a few strides to stay sharp. You will feel heavy, grumpy, and sure you have lost fitness. Everyone does. The work is in the bank. The job now is to arrive rested, which is a different skill from arriving tired.
12Race the first half with your head
Start ten to fifteen seconds a mile slower than goal pace and ease onto it by mile three. The excitement at the start is free speed that you pay for with interest at mile twenty. Check the pace at each mile, not the feeling; the feeling lies early and tells the truth late. Have a plan for the bad patch, because there will be one: shorten your stride, fix your eyes on the next lamp post, take the gel you were saving, count to a hundred. It passes. Then run the last 10K like the person you trained to be.
If you want all twelve on one page: build long, run four good days, make the long run a rehearsal, hold tempo, touch VO2max weekly, lift twice, rotate shoes, fuel every long run, eat enough, sleep, taper, start slow. The rest is showing up for twenty-six weeks.
Last updated 2026-10-13.