Bilbao - Bilbao

Stage 1 of the 2023 Tour de France is a hilly stage that will take place on Saturday 1 July 2023 at 10:55.The stage starts in Bilbao and finishes in Bilbao. Start time is 10:55 with an expected finish at 15:28 (average speed of 40 km/h).

The total distance of the stage is 182.4 km. The stage includes 5 categorized climbs and 1 intermediate sprint. The stage has a total elevation gain of 3520 m with the highest altitude of the stage being 379 m. The total descent of the stage is -3455 m.

- The race will have temperatures between 20 and 24°C, with an average of 22°C.
- No rain is expected.
- The wind will come mainly from NW, W with an average of 16 km/h wind. The maximum wind speed will be 24 km/h with gusts of up to 49 km/h.

The stage includes 5 categorized climbs and 1 intermediate sprint.

Côte de Laukiz is a KOM cat. 3 climb, which starts at 11.7 km (170.7 km to go) and ends at 13.9 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 64.5 km (117.9 km to go) and ends at 68 km (114.4 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 88.4 km (94 km to go).

Col de Morga is a KOM cat. 4 climb, which starts at 137.4 km (45 km to go) and ends at 141.3 km (41.1 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 151 km (31.4 km to go) and ends at 155.2 km (27.1 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 170.7 km (11.6 km to go) and ends at 172.7 km (9.6 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.