21 teams took part in the race ( 18 UCI WorldTeams, 3 UCI Professional Continental teams), each representing 8 riders. A total of 147 riders went to the start.
WorldTeams (18)- Sky
- AG2R La Mondiale
- Astana Pro Team
- Bahrain merida
- BMC Racing Team
- Bora-hansgrohe
- Groupama-fdj
- Lotto soudal
- Mitchelton-scott
- Movistar team
- Quick step floors
- Dimension Data
- EF Education First-Drapac p / b Cannondale
- Katusha-alpecin
- Team Lotto NL-Jumbo
- Team sunweb
- Trek-segafredo
- UAE-Team Emirates
Professional Continental Teams (3)- Androni Giocattoli-Sidermec
- Nippo-Vini Fantini-Europa Ovini
- Vérandas Willems-Crelan
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The race started in Piazzale della Liberta in front of the Medici fortress in Siena and finished in the very heart of the same medieval city in Piazza del Campo in the same city, after a small paved climb to Via Santa Caterina with a maximum gradient of up to 16%.
The 184-kilometer route included 63 kilometers (34.2% of the distance) of dirt roads divided into 11 sections.
In addition to dirt roads, the distance was characterized by a very wavy and bumpy course, accompanied by numerous bends. Among the climbs, Montalcino can be noted - 4 km with a gradient of 5%. As in previous issues, two kilometers from the finish line there was a climb to Porta di Fontebranda with a gradient of 9-10% and a maximum of 16% on the narrow paved lift of Via di Santa Caterina in the heart of the medieval city 500 meters to the finish line in the Piazza del Campo .
Gravel| No. | Title | Km from the start | Length (m) | Complexity |
|---|
| one | Vidritta | between 17.6 and 19.7 | 2100 | |
| 2 | Bagnaia | between 25.0 and 30.8 | 5800 | |
| 3 | Radi | between 36.9 and 41.3 | 4400 | |
| four | Comune di murlo | between 47.6 and 53.1 | 5500 | |
| five | Lucignano d'asso | between 75.8 and 87.7 | 11900 | |
| 6 | Radi bianche | between 88.7 and 96.7 | 8000 | |
| 7 | San martino in grania | between 111.7 and 121.2 | 9500 | |
| eight | Monte Sante Marie ( Sterrato Cancellara ) [1] | between 130 and 141.5 | 11500 | |
| 9 | Monteaperti | between 160 and 160.8 | 800 | |
| ten | Colle Pinzuto | between 164.6 and 167 | 2400 | |
| eleven | Le tolfe | between 171 and 172.1 | 1100 | |