Gran fondo training plan, from 12 weeks
From 12 weeks, and the minimums scale with the distance you declare. Durability late in a long day is trained directly rather than simply assumed.
By Arne, founder. Updated
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 the weeks look like
Three weeks from the 12 week gran fondo plan for a typical athlete with a finishing goal. Your own plan is built from your history, your course and the days you can train, so the sessions, the hours and the split will differ.
Week 1 of 12Foundation
4 h 40 total| Day | Session | Trains | Time | Effort |
|---|---|---|---|---|
| Tue | Aerobic ride | Aerobic endurance | 1 h | Easy |
| Thu | 3 x 8 minutes tempo | Muscular endurance | 1 h 10 | Tempo |
| Sat | Endurance ride, practising 60 grams of carbohydrate an hour | Aerobic endurance, fuelling | 2 h 30 | Easy |
Week 7 of 12Event shaping
5 h 30 total| Day | Session | Trains | Time | Effort |
|---|---|---|---|---|
| Tue | 2 x 15 minutes just under threshold, 5 minutes easy between | Threshold | 1 h 15 | Sweet spot |
| Thu | Aerobic ride with seated climbing drills | Aerobic endurance, climbing | 1 h | Easy |
| Sat | Long ride, final 30 minutes steady | Durability | 3 h 15 | Easy, steady late |
Week 11 of 12Peak
6 h 30 total| Day | Session | Trains | Time | Effort |
|---|---|---|---|---|
| Tue | 3 x 12 minutes at threshold on climbs | Threshold, climbing | 1 h 20 | Threshold |
| Thu | Aerobic ride | Aerobic endurance | 1 h 10 | Easy |
| Sat | Long ride with 2 x 20 minutes at event effort in the final 90 minutes, fuelling at race rate | Durability, fuelling | 4 h | Easy, event effort late |
"Gran fondo" is not a distance, so the plan asks for one
The figures above are the floor for one particular ride length. Tell the wizard a different distance and they move, because the shortest fondo on the list and the longest one are different events wearing the same name. One is a hard morning. The other is most of a day, and it fails for reasons the morning ride never encounters.
That re-pricing is the spine of this page. When you declare the distance, the plan is drawn from the band that covers it rather than from a generic fondo row. The minimum length changes. So does the weekly time the last weeks before the taper need, the long ride floor, how many Foundation cycles the season carries, and how much horizon the taper gets. It is the same ladder read at a different rung.
The long ride grows with the race, but not without limit. Past a point, extra hours in one ride cost more recovery than they return, so the floor stops climbing and the work moves into where in the ride the hard part sits.
The last hour is a different ability
A fondo is decided late. Almost nobody reaches the final climbs wondering whether they could ride them fresh. They arrive wondering what is left.
That is durability, and it is measured from your own riding rather than assumed. Efficiency across long steady rides is compared between the opening quarter and the closing quarter, read against stated bands rather than eyeballed. On the bike there is also a work-gated read comparing your best sustained efforts when fresh against the same durations after a large amount of accumulated work. Where your history lacks either side of that comparison, it says so instead of producing a number. What the performance surfaces measure covers those reads in detail.
Durability being measurable is what lets it be trained on purpose. Hard efforts get placed late in long rides rather than at the start where they are comfortable.
Fuelling is a demand, not a packing list
Fuelling resilience is one of the scored demand dimensions, and a long day pushes it high. Aid station spacing raises it further, measured in distance and in time, because what matters is how long you are out there between them rather than how far.
The plan cannot eat for you. What it can do is put rides on your calendar at the durations where intake genuinely becomes a problem, so the answer is rehearsed rather than discovered. A stomach only ever asked to work for an hour has no reason to cooperate for a whole day.
The early climbs are where the day is lost
The first climb arrives with fresh legs, a group around you, and an effort that has nothing to do with the rest of the ride. Pacing it as though it were the only climb is the most common way a well-trained rider finishes a fondo badly.
Preparation for that starts with the course. Climbs are kept as durations rather than distances, because a short climb and a long one sit in different physiological territory even when the elevation gain matches. Late in the season the sessions are shaped around the efforts your route actually contains, at those durations, with the final repetition placed after enough accumulated work that it resembles the one you will meet last.
How your plan is built
Your riding goes in as supply, from efforts you actually made rather than a threshold typed once and left to drift. The course goes in as demand, the days you can train go in as a constraint, and the season is laid out backwards from race day through Prep, Foundation, Event shaping and Peak. Foundation is what other plans call base, Event shaping is what they call build.
Early weeks tackle the focus points furthest from what the event asks. The final shaping weeks tackle the most event-specific ones, which for a fondo means sustained climbing work and long rides with the quality at the end. How guided bike plans are built covers the machinery, including what happens when you ride without a power meter.
What changes when your goal changes
Distance is only half the pricing. The wizard also asks what outcome you want, across five levels from finishing to an excellent result, and every minimum scales with that answer too. Riding for a strong time rather than a finish means roughly twice the weekly training time and two more sessions a week, over a longer minimum length.
The minimums are destinations, not week one. Nobody starts at the weekly hours shown above. Your ramp is bounded by your own recent riding, so the plan grows you toward the peak at a rate your history supports.
What a week actually looks like
At the session floor above, a fondo week usually resolves to one long ride carrying the durability work, one quality session aimed at whatever the course demands most, and one shorter ride kept genuinely easy. The long ride is the anchor, and it grows toward the floor above rather than starting there. Extra sessions buy aerobic volume before they buy intensity, and the week's focus sets its emphasis rather than its whole content.
When life interferes
Missed sessions are forgiven and never redistributed, because stacking them is how a missed week becomes an injured month. Illness suspends the plan and rebuilds toward the level you had actually reached, with the effect on your goal re-forecast honestly. Small adjustments apply themselves, and anything that changes your primary focus or restarts you after an interruption waits for your approval.
Questions people ask
I have not decided which distance to enter yet
Pick the one you are most likely to ride and change it later. Changing the declared distance re-prices the plan rather than patching it, and a change that significant reaches you as a proposal to approve.
Is a fondo plan just a long ride every weekend?
No, and that is the version most riders arrive with. Long rides build the aerobic side, but late-ride quality, the climbing durations your course contains and the pacing rehearsal are separate jobs that weekend hours will not do on their own.
Part of my fondo is on gravel
Then the surface is a real demand rather than a detail, and the gravel race plan explains how it is read. A mixed-surface event scores differently on technical skill, and speed stops being a reliable proxy for effort.