6-Week Century/Gran Fondo Training Plan (Intermediate)

If you’re an intermediate cyclist ready to train with more intent, this 6-week Kick-Start plan is designed to rebuild momentum, lift fitness, and prepare you for the demands of a Century or Gran Fondo. It’s an ideal transition phase that bridges general fitness and the more event-specific training that follows, helping you arrive at your main preparation block stronger, more durable, and confident in your direction.

Who’s it for?
This plan is aimed at intermediate cyclists with a solid baseline of fitness who are ready to move into a more purposeful phase of training. Whether you’ve been riding consistently but without structure, or you’re looking to sharpen focus ahead of your chosen Century or Gran Fondo, this plan provides clear guidance at exactly the right time. It’s designed to help you progress from general riding into the endurance, efficiency, and pacing skills required for long-distance events.

Is it for you?
This plan assumes you’re comfortable riding both indoors (such as Zwift) and outdoors, and happy combining structured quality sessions with longer endurance rides. It’s ideal if you want to increase training quality without burning out, while developing a broad range of fitness qualities including aerobic capacity, sustained tempo, higher-intensity efforts, and the ability to ride strongly and consistently over longer distances.

The plan supports balanced, all-round development, ensuring you’re prepared for varied terrain, changes in pace, and the demands of riding well deep into a long day in the saddle.

What’s involved?
The plan builds progressively over 6 weeks, carefully balancing structure with flexibility to support consistent improvement without excessive fatigue. Each week targets the key training zones, using indoor sessions for precision and control alongside outdoor rides to develop endurance, durability, and real-world efficiency. There’s a strong emphasis on aerobic conditioning, tempo and sweet spot work, higher-intensity touchpoints, fatigue resistance, and pacing discipline, all essential qualities for successful Century and Gran Fondo riding.

The goal isn’t to peak during these six weeks. Instead, this block acts as a launchpad, leaving you fitter, stronger, and well prepared to move into a more specific training phase tailored to your chosen event.