Overview of the fastest stage all time.
Fastest stages all time
| # | Year | Race | Avg. speed | Distance (KM) | |
|---|---|---|---|---|---|
| 1 | 2019 | | Siena - Siena | 35.662 | 136 | |
| 2 | 2025 | | Siena - Siena | 35.623 | 136 | |
| 3 | 2023 | | Siena - Siena | 35.389 | 136 | |
| 4 | 2024 | | Siena - Siena | 34.872 | 137 | |
| 5 | 2021 | | Siena - Siena | 34.77 | 136 | |
| 6 | 2016 | | Siena - Siena | 34.54 | 121 | |
| 7 | 2015 | | San Gimignano - Siena | 34.47 | 103 | |
| 8 | 2022 | | Siena - Siena | 34.109 | 136 | |
| 9 | 2017 | | Siena - Siena | 33.9 | 127 | |
| 10 | 2020 | | Siena - Siena | 33.46 | 136 |
Fastest stages with over 2000 vertical meters
| # | Year | Race | Avg. speed | Vertical meters | |
|---|---|---|---|---|---|
| 1 | 2025 | | Siena - Siena | 35.623 | 2285 | |
| 2 | 2024 | | Siena - Siena | 34.872 | 2244 | |
| 3 | 2016 | | Siena - Siena | 34.54 | 2907 | |
| 4 | 2015 | | San Gimignano - Siena | 34.47 | 3103 |