The running race around the lake, blending sport and Etruscan landscapes
The Giro Lago di Chiusi is one of the most popular running events in the Sienese Valdichiana. Every September, it draws runners and walkers to complete a loop around the shores of Lake Chiusi, in the municipality of Chiusi, in the province of Siena, southern Tuscany. The event is organized by G.S. Filippide D.L.F. Chiusi, a historic local sports club, with the patronage of the Municipality of Chiusi and the support of numerous local associations.
The event is designed for all levels, from competitive athletes to casual outdoor enthusiasts. The program includes several formats:
The start and finish lines are located at Cabina Lago, on the shores of Lake Chiusi, in a natural setting of reeds, water, and the gentle hills typical of this corner of Tuscany.
The Giro Lago di Chiusi is more than just a local race: it is part of the Avis Tosco-Umbro Circuit and the Tuscany Run Circuit, two calendars that bring together the main road running races in Tuscany and Umbria. This means that results here count toward the general rankings of these circuits, attracting FIDAL and RunCard athletes from both regions.
Running or walking around Lake Chiusi is also a way to discover a territory of extraordinary natural and historical value. Chiusi is one of the oldest cities in Etruria, and the lakeโpart of a protected wetland system between Tuscany and Umbriaโoffers stunning views, especially in the early morning when the event kicks off. At the end of the races, the awards ceremony features local products, highlighting the deep bond between the event and its territory.
Open to both competitive and amateur athletes, the event is a must-attend autumn fixture in the sporting calendar of the province of Siena and the entire Valdichiana.
The 2026 edition of the Giro Lago di Chiusi takes place on Sunday, September 20, 2026, in Chiusi (SI), with the start and finish at Cabina Lago. The race is part of the 2026 Avis Tosco-Umbro Circuit and the 2026 Tuscany Run Circuit.
The usual format is confirmed: a competitive running race of approximately 18 km on a mixed dirt/asphalt surface around the lake, plus Nordic walking, a recreational walk of about 16 km, and an 8 km fun run open to everyone.
The detailed program for the 2026 edition, including final times, registration fees, and prize details, will be published by the organizers in the weeks leading up to the event on the official website girolagochiusi.it.
The detailed program for the 2026 edition will be announced by the organizers in the weeks before the race.
Based on previous editions, the typical structure includes:
Precise times for the 2026 edition will be communicated on the official website.
Competitive 18 km loop around Lake Chiusi; non-competitive Nordic walking, recreational walking, and fun run; stage of the 2026 Avis Tosco-Umbro Circuit and the Tuscany Run 2026; awards ceremony with local products.
Start and finish at Cabina Lago, on the shores of Lake Chiusi (Chiusi, SI). Meeting point and bib collection in the historic center of Chiusi, at Largo Cacioli, in front of the National Etruscan Museum.
By car: take the Chiusi-Chianciano-Chianciano Terme exit on the A1 motorway; by train: Chiusi-Chianciano Terme station on the Rome-Florence line.
Online registration via the dedicated portal (icron.it) in the days leading up to the race, with tiered pricing for early entries. Registration is also possible the day before and on the morning of the race, until shortly before the start.
Official website girolagochiusi.it, email [email protected]. Organized by G.S. Filippide D.L.F. Chiusi.
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Loc. Cabina Lago, Lago di Chiusi