CYCLING PERFORMANCE · JAKUB PIENIAZEK
Training for a Gran Fondo With 8 Hours a Week
Start with the event
Eight hours can provide a useful training framework, but the demands of your Gran Fondo decide how those hours should be spent. A rolling event and a long mountain route require different preparation. Consider expected duration, climbing, pacing and your current ability to ride comfortably for several hours.
Give endurance work enough space
When cyclists have only eight hours a week, a common mistake is to fill too much of that time with high-intensity intervals. They want every session to count, so they keep making the training harder.
My preference is to make better use of the lower end of Zone 2: controlled endurance riding at an intensity the rider can sustain comfortably and repeat consistently. Here, Zone 2 means the endurance zone in a conventional five- or seven-zone cycling model; zone labels differ between systems.
Hard sessions still have a place, but they need a clear purpose. For a Gran Fondo, I want the rider to develop the endurance to keep riding effectively deep into the event. That means giving lower-intensity work enough space in the week.
With limited time, the goal is to build a week you can absorb and repeat. More intensity does not automatically make those eight hours more productive.
An illustrative eight-hour week
As an illustrative week for an already consistent cyclist: Tuesday, 75 minutes with controlled sustained efforts; Thursday, 60 minutes of easy endurance; Saturday, three hours of endurance with event-relevant terrain; Sunday, two hours and 45 minutes at a comfortable endurance pace. Monday, Wednesday and Friday are days off the bike. That totals eight hours; it is an example, not a starting prescription for every rider.
Practise the whole event
Use longer rides to rehearse pacing, eating, drinking and the equipment you intend to use. Avoid turning every climb into a competition. The objective is to arrive at the final hour with enough control to keep riding effectively.
Adapt the week
If the weekend leaves you persistently tired, shorten Sunday or redistribute the time. If your event is much longer than your usual rides, occasional longer rehearsals may be useful when your preparation allows. Eight hours is a planning constraint, not a guarantee of readiness. A sustainable week gives the next week a chance to work too.
Research & further reading
Cycling intensity distribution: a controlled training study ↗