A gran fondo is a long-distance cycling event, usually 80-160 km with real climbing. It's self-paced, which means your competition is the course, the clock, and your ability to not blow up in the final third.
How long to prepare
- If you ride 3-4x per week already: 8-12 weeks
- If you're newer to cycling: 16-20 weeks
- If you have a strong base: 6-8 weeks of event-specific work
Build your endurance first
Gran fondos are aerobic events. You'll spend 3-7+ hours at 65-80% of FTP. The foundation is long Zone 2 rides that progressively increase in duration.
Start with your longest comfortable ride and add 15-20 minutes per week. If your longest ride is 90 minutes now, build toward 3-4 hours over 8-12 weeks. You don't need to ride the full event distance in training. Getting to 70-80% of it is enough.
Key workouts
Long ride (weekend). Your most important session. Start at 2 hours, build to 4+. Practice your nutrition strategy during these.
Tempo intervals (midweek). 2-3x15-20 min at 76-85% FTP. Builds muscular endurance for sustained climbing.
Climbing repeats. If your event has hills, find one and do repeats. 3x8 min at a sustainable effort, building to longer repeats over weeks.
[Sweet spot](/blog/sweet-spot-training). 2x20 min at 88-92% FTP. Builds the fitness that makes tempo efforts feel comfortable.
Pacing: the most common mistake
Almost everyone goes out too fast. The adrenaline, the crowd, the fresh legs from your taper. It all conspires to push you above sustainable pace in the first hour. Then you pay for it from kilometer 100 onward.
Target 65-80% FTP for average power. For a 5-hour event, that's steady Zone 2-3.
Save matches for climbs. On flat and rolling terrain, sit in the draft (30-40% energy savings). Burn matches on the climbs where drafting matters less.
Fueling
For events over 3 hours, nutrition is as important as fitness.
- Start eating within the first 30 minutes, before hunger hits
- 60-90g carbs per hour (dual transport: glucose + fructose)
- 500-800ml fluid per hour, with electrolytes
- Never try new foods on event day
- Carry more than you think you need
The week before
Cut volume by 40-50%. Keep 1-2 short sessions with efforts at event intensity. Increase carbs in the final 2-3 days. Sleep 8+ hours. Prep bike, kit, and nutrition the night before. More on tapering strategy.
Race day
Start at the back of your group if you tend to go out hot. Ride your own pace on climbs. Eat and drink on schedule, not by feel. When it hurts at kilometer 130, remember that everyone else is hurting too. The riders who finish strong are the ones who paced and fueled correctly from kilometer 1.