Trail ultra training plan for your real course

From 24 weeks. Climb lengths, descent load and time on feet come from your actual course, so the plan trains the day you signed up for.

By Arne, founder. Updated

24 wksShortest plan we will build for this event
5/wkSessions a week, at the minimum
8 hWeekly hours in the last weeks before the taper
4 hLongest single session at peak

Floors, not fixed lengths. These are the minimums for finishing the event. A more ambitious goal raises them, and a season can run up to 52 weeks.

What a trail ultra actually asks of you

Distance tells you almost nothing about a trail ultra. Two races of identical length can be hours apart for the same runner, because the day is decided by vertical gain, steepness, the ground underfoot, and how much descent your legs can still absorb late. A rolling forest loop and a mountain traverse share a distance and almost none of the demands.

That is why time on feet is the honest unit here, and why the long session floor above is stated in hours rather than kilometres. An hour of climbing and an hour of runnable trail are different training even though the second covers twice the ground. Planning in distance quietly rewards the flattest route you can find, which is exactly the preparation your race does not want.

Climbing is a trainable skill rather than something that merely happens to you on the way up. So is hiking. Above a gradient that differs from runner to runner, walking with intent is faster and cheaper than running, and the run model treats power hiking as its own discipline rather than as running that has gone wrong. If you have never practised it under fatigue on your gradients, race day is a poor time to learn what it costs.

Descending is the half of the mountain most people never train. Eccentric loading, where the muscle lengthens under tension, is what shreds quadriceps in the closing hours, and no amount of uphill fitness rehearses it. Total descent is therefore carried as its own figure rather than folded into one elevation number, and technicality is estimated from gradient variability and turn density rather than assumed.

Why the plan you downloaded does not fit

A fixed plan lists weeks and mileage because weeks and mileage print well on a page. It cannot know whether your climbs are long and steady or short and repeated, which is the difference between muscular endurance and repeatability, or whether your descents are fire road or loose singletrack. It cannot know your threshold, so its easy days are somebody else's easy.

Your course is the specification

Upload the route and it is read as geometry instead of as a total. The distance and altitude series is cut into ordered climbs, descents and flats, each with its own length, gradient and elevation change. Climb lengths are kept as durations, because a climb you can attack and a climb you have to settle into sit in different physiological territory. Gain and loss stay apart. Vertical per unit of distance is what separates a rolling course from a mountain one when the total climbing matches.

The event analyzer is where you see that, with the hill profile, the course line coloured by race-day wind, and the leg scored across a set of demand dimensions.

Those measurements become the training. Climb repeats are matched to the climb durations your course contains. Where the route holds a repeated, material motif, that motif can be compiled into a session and then bounded in dose by your history and your phase. Where it does not, the plan says so rather than inventing one. Guided run plans covers the machinery underneath, including the impact ceilings that bind harder in running than anywhere else.

The last input is your week, entered as real minutes per day with whatever flexibility you have. You never type in a load figure or an hours target. Out comes one season planned backwards from race day, through Prep, Foundation (what other plans call base), Event shaping (what they call build) and Peak.

What changes when your goal changes

The wizard asks what outcome you want, not only which race you entered. There are five levels, from finishing to excellent, and every minimum scales with the answer. Chasing an excellent result rather than a finish means roughly twice the weekly training time and two more sessions a week, over a longer minimum build. Same mountain, same runner, a genuinely different plan.

Those figures are floors at the finishing tier and destinations rather than week one. How fast you grow toward them is bounded by your own recent training, and they are graded as established coaching practice drawn from published plans, not as a finding from a trial.

What a week actually looks like

Most of it is easy running. One session is the long day, growing toward the floor above and increasingly run on ground that resembles your course. One or two sessions train the dimension that week is tackling, at its real intensity rather than a softer proxy credited as the same thing.

The character changes as the race nears. Early weeks build aerobic endurance and structural tolerance. Later weeks bring climb repeats at your course's durations, sustained effort late inside a long day, and descent exposure where a vetted or compiled structure can genuinely specify it. Weekly running load is watched on its own, because every stride is a landing, and a week that cannot absorb its target inside the single-session ceilings under-delivers honestly rather than concentrating the shortfall into one heroic Sunday.

When life interferes

Missed load is forgiven and never redistributed. Nothing is stacked onto next week to keep the arithmetic tidy, because that is how a missed session becomes an injury. Illness suspends the plan, rebuilds toward the level you had actually reached rather than the level the plan assumed, and re-forecasts your race honestly.

Small adjustments can apply themselves. Changing your primary focus, rebuilding a block, or returning from injury comes to you for approval. Anything resembling pain, illness or injury is escalated to you rather than diagnosed, because this is training guidance and not medical care.

Questions people ask

I live somewhere flat. Can I still train for a mountain race?

Partly, and the plan is honest about the gap. Sustained climbing effort can be approximated on the gradients you have. Descending largely cannot, because eccentric damage needs real downhill, so it is named as an unrehearsed demand instead of assumed away.

Should I be training to hike?

Yes, if your course has gradients where hiking is faster. Power hiking carries its own economy and its own recovery cost, and it improves with practice like anything else.

Do I have to upload the course?

The plan works from the event and your history without it. It works considerably better with the route, because climb durations and vertical per unit of distance are the difference between training your race and training its distance.

How is this different from the 50K plan?

The 50K plan is built around a first step into ultra distance, where fuelling and pacing by effort are the new skills. This one is built around terrain, where the same distance can ask hours more of you.

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