Circuito de senderismo de 84.42 km desde Siena. El desnivel positivo es de 2777 m, con una altitud entre 130 m y 638 m. Duración estimada: 28 h 40 min. Municipio de salida: Siena (Toscana, Italie).
Esta ruta incluye 14 subidas significativas. Con un desnivel acumulado de 1636 m a lo largo de 20.49 km, con una pendiente media del 8.0%.
- Climb 1 (at km 3.37 km): +120 m over 1.43 km, average slope 8.4%
- Climb 2 (at km 10.48 km): +47 m over 793 m, average slope 5.9%
- Climb 3 (at km 16.48 km): +81 m over 1.78 km, average slope 4.6%
- Climb 4 (at km 22.88 km): +48 m over 620 m, average slope 7.7%
- Climb 5 (at km 26.89 km): +64 m over 1.08 km, average slope 5.9%
- Climb 6 (at km 30.93 km): +108 m over 1.53 km, average slope 7.1%
- Climb 7 (at km 35.58 km): +77 m over 853 m, average slope 9.0%
- Climb 8 (at km 57.87 km): +222 m over 4.42 km, average slope 5.0%
- Climb 9 (at km 62.53 km): +273 m over 2.30 km, average slope 11.9%
- Climb 10 (at km 66.08 km): +132 m over 1.57 km, average slope 8.4%
- Climb 11 (at km 73.99 km): +81 m over 878 m, average slope 9.2%
- Climb 12 (at km 85.56 km): +199 m over 1.58 km, average slope 12.6%
- Climb 13 (at km 87.31 km): +31 m over 366 m, average slope 8.5%
- Climb 14 (at km 91.02 km): +153 m over 1.28 km, average slope 11.9%
