103km through the heart of UNESCO Val d'Orcia — Western States 100 qualifier
A 103km loop from Castiglione d'Orcia covering the 'Classic Valdorcia' and 'Mountain Valdorcia' sections of the Tuscany Crossing route. The course passes the landmark Rocca di Tentennano fortress, descends to the iconic thermal pool of Bagno Vignoni, traverses UNESCO-listed landscapes through Pienza and San Quirico d'Orcia, and climbs to the high point at Vivo d'Orcia (1,050m). The route follows the white gravel roads (strade bianche) and singletrack that define the Val d'Orcia. An official ITRA event awarding 4 points and a certified Western States 100 qualifier for finishers within 21 hours. Also on the UTMB Index.
Some ultra experience recommended
Castiglione d'Orcia, Siena, ItalyApril 18, 2026
| Location | km | Elevation |
|---|---|---|
Start Start | 0.0 | 526 m |
Finish Finish | 102.3 | 526 m |
Sign in to see cutoffs, crew access, drop bags, and services for every aid station.
Free dormitory gymnasium available in Castiglione d'Orcia for participants (opens Friday 17 April at 4pm, closes Sunday 19 April at 10am). Various hotels, agritourism farmhouses, and B&Bs nearby in Castiglione d'Orcia, San Quirico d'Orcia, and surrounding villages.
April conditions in Val d'Orcia change rapidly — cool mornings (0-8°C) warming to 15-20°C midday, with wind and rain possible on exposed ridges and hillside stretches.
Highly exposed on open hillsides and gravel roads; significant UV and heat risk during the long daytime portion of the race.
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