Stage 1 of the 2023 Tour de France was a hilly stage that took place on .
The stage started in Bilbao and finished in Bilbao, starting at with an expected finish at (average speed of 40 km/h).
The total distance of the stage was 182.4 km. The stage included 5 categorized climb(s) and 1 intermediate sprint(s), and had a total elevation gain of 3520 m, and a total descent of -3455 m.
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The stage included 5 categorized climb(s) and 1 intermediate sprint(s).
Côte de Laukiz is a KOM cat. 3 climb, which starts at 11.6 km (170.7 km to go) and ends at 13.8 km (168.5 km to go). It has total distance of 2.2 km, and an average gradient of 7.3%, going from 61 to 221 meters of altitude.
Côte de San Juan de Gaztelugatxe is a KOM cat. 3 climb, which starts at 64.2 km (118.2 km to go) and ends at 67.7 km (114.7 km to go). It has total distance of 3.5 km, and an average gradient of 7.9%, going from 12 to 288 meters of altitude.
Gernika-Lumo is a Sprint at 88 km (94.4 km to go).
Col de Morga is a KOM cat. 4 climb, which starts at 136.8 km (45.6 km to go) and ends at 140.6 km (41.7 km to go). It has total distance of 3.9 km, and an average gradient of 4.9%, going from 136 to 326 meters of altitude.
Côte de Vivero is a KOM cat. 2 climb, which starts at 150.3 km (32.1 km to go) and ends at 154.5 km (27.9 km to go). It has total distance of 4.2 km, and an average gradient of 7%, going from 53 to 348 meters of altitude.
Côte de Pike is a KOM cat. 3 climb, which starts at 170 km (12.4 km to go) and ends at 171.9 km (10.4 km to go). It has total distance of 2 km, and an average gradient of 9.9%, going from 8 to 205 meters of altitude.