10 Key Giro d’Italia Stages That Shape The General Classification

The Giro d’Italia is a three‑week test of pacing, surface savvy, and recovery timing. Below, we translate the 2025 route into 10 pivotal stages most likely to decide the maglia rosa. General classification (GC) is the race’s overall time contest: riders add their daily finish times, and the lowest cumulative time leads the GC, wears the pink jersey, and wins the Giro. Time trials, summit finishes, and stacked Alpine days are where the biggest gaps open—and where the race is most often won or lost.