All nineteen UCI WorldTeams and five UCI ProTeams participated in the race. Of these twenty-four teams, only Team Qhubeka Assos, with six riders, did not field the maximum allowed of seven riders. From the 165 riders who started the race, 103 finished.[2][3][4]
On stage 2, Jonas Vingegaard, who was third in the points classification, wore the green jersey, because first-placed Primož Roglič wore the yellow jersey as the leader of the general classification, and second-placed Brandon McNulty wore the blue jersey as the leader of the young rider classification.
On stage 3, Alex Aranburu, who was second in the points classification, wore the green jersey, because first-placed Primož Roglič wore the yellow jersey as the leader of the general classification.
On stage 4, Alex Aranburu, who was third in the points classification, wore the green jersey, because first-placed Primož Roglič wore the yellow jersey as the leader of the general classification, and second-placed Tadej Pogačar wore the polka-dot jersey as the leader of the mountains classification.
On stage 4, Brandon McNulty, who was second in the young rider classification, wore the blue jersey, because first-placed Tadej Pogačar wore the polka-dot jersey as the leader of the mountains classification.
On stages 5 and 6, Jonas Vingegaard, who was second in the young rider classification, wore the blue jersey, because first-placed Brandon McNulty wore the yellow jersey as the leader of the general classification.
Final classification standings
Legend
Denotes the winner of the general classification
Denotes the winner of the Basque rider classification
Denotes the winner of the points classification
Denotes the winner of the team classification
Denotes the winner of the mountains classification
Denotes the winner of the combativity award
Denotes the winner of the young rider classification
^ a b"La Itzulia Basque Country presenta los recorridos oficiales" [The Itzulia Basque Country presents the official routes]. Tour of the Basque Country (in Spanish). Organizaciones Ciclistas Euskadi. 20 March 2021. Archived from the original on 28 April 2021. Retrieved 8 April 2021.
^"Equipos invitados a la Itzulia Basque Country 2021" [Teams invited to Itzulia Basque Country 2021]. Tour of the Basque Country (in Spanish). Organizaciones Ciclistas Euskadi. 21 March 2021. Archived from the original on 28 April 2021. Retrieved 8 March 2021.
^Roadbook 2021, p. 21.
^Roadbook 2021, pp. 6–7.
^"Bilbao – Bilbao (CRI)". Tour of the Basque Country (in Spanish). Organizaciones Ciclistas Euskadi. Archived from the original on 7 April 2021. Retrieved 5 April 2021.
^Roadbook 2021, pp. 28–35.
^ a bRyan, Barry (5 April 2021). "Itzulia Basque Country: Primoz Roglic wins stage 1 time trial". CyclingNews. Retrieved 5 April 2021.
^"Stage 1 Result" (PDF). Tour of the Basque Country. Organizaciones Ciclistas Euskadi. 5 April 2021. Archived from the original (PDF) on 28 April 2021. Retrieved 8 April 2021.
^ a b"Roglic comienza ganando y convirtiéndose en el primer líder de la Itzulia 2021" [Roglic starts by winning and becoming the first leader of Itzulia 2021]. Tour of the Basque Country (in Spanish). Organizaciones Ciclistas Euskadi. 5 April 2021. Archived from the original on 10 April 2021. Retrieved 10 April 2021.
^"Stage 1 GC" (PDF). Tour of the Basque Country. Organizaciones Ciclistas Euskadi. 5 April 2021. Archived from the original (PDF) on 28 April 2021. Retrieved 8 April 2021.
^"Zalla – Sestao". Tour of the Basque Country (in Spanish). Organizaciones Ciclistas Euskadi. Archived from the original on 3 April 2021. Retrieved 5 April 2021.
^Roadbook 2021, pp. 38–47.
^ a bFletcher, Patrick (6 April 2021). "Itzulia Basque Country: Alex Aranburu wins stage 2". CyclingNews. Retrieved 6 April 2021.
^"Stage 2 Result" (PDF). Tour of the Basque Country. Organizaciones Ciclistas Euskadi. 6 April 2021. Archived from the original (PDF) on 28 April 2021. Retrieved 8 April 2021.
^ a b"Alex Aramburu [sic] gana la segunda etapa de la Itzulia 2021" [Alex Aranburu wins the second stage of Itzulia 2021]. Tour of the Basque Country (in Spanish). Organizaciones Ciclistas Euskadi. 6 April 2021. Archived from the original on 10 April 2021. Retrieved 10 April 2021.
^"Stage 2 GC" (PDF). Tour of the Basque Country. Organizaciones Ciclistas Euskadi. 6 April 2021. Archived from the original (PDF) on 6 May 2021. Retrieved 8 April 2021.
^"Amurrio – Ermualde (Laudio)". Tour of the Basque Country (in Spanish). Organizaciones Ciclistas Euskadi. Archived from the original on 3 April 2021. Retrieved 5 April 2021.
^Roadbook 2021, pp. 54–63.
^ a bOstanek, Daniel (7 April 2021). "Itzulia Basque Country: Tadej Pogacar climbs to stage 3 win". CyclingNews. Retrieved 7 April 2021.
^"Stage 3 Result" (PDF). Tour of the Basque Country. Organizaciones Ciclistas Euskadi. 7 April 2021. Archived from the original (PDF) on 28 April 2021. Retrieved 8 April 2021.
^ a b"Pogacar se corona en Ermualde tras un disputado sprint final" [Pogacar is crowned in Ermualde after a disputed final sprint]. Tour of the Basque Country (in Spanish). Organizaciones Ciclistas Euskadi. 7 April 2021. Archived from the original on 10 April 2021. Retrieved 10 April 2021.
^"Stage 3 GC" (PDF). Tour of the Basque Country. Organizaciones Ciclistas Euskadi. 7 April 2021. Archived from the original (PDF) on 28 April 2021. Retrieved 8 April 2021.
^"Gasteiz – Hondarribia". Tour of the Basque Country (in Spanish). Organizaciones Ciclistas Euskadi. Archived from the original on 3 April 2021. Retrieved 5 April 2021.
^Roadbook 2021, pp. 68–75.
^ a bBenson, Daniel (8 April 2021). "Itzulia Basque Country: McNulty takes lead on stage 4". CyclingNews. Retrieved 8 April 2021.
^ a b"Ion Izaguirre gana en Hondarribi por la mínima" [Ion Izaguirre wins in Hondarribia by the minimum]. Tour of the Basque Country (in Spanish). Organizaciones Ciclistas Euskadi. 8 April 2021. Archived from the original on 10 April 2021. Retrieved 10 April 2021.
^"Hondarribia – Ondarroa". Tour of the Basque Country (in Spanish). Organizaciones Ciclistas Euskadi. Archived from the original on 3 April 2021. Retrieved 5 April 2021.
^Roadbook 2021, pp. 80–87.
^ a bFletcher, Patrick (9 April 2021). "Itzulia Basque Country: Cerny, Honoré give Deceuninck-Quickstep a 1-2 on stage 5". CyclingNews. Retrieved 9 April 2021.
^ a b"Mikkel Honoré gana la 5ª Etapa de la Itzulia 2021" [Mikkel Honoré wins the 5th Stage of Itzulia 2021]. Tour of the Basque Country (in Spanish). Organizaciones Ciclistas Euskadi. 9 April 2021. Archived from the original on 10 April 2021. Retrieved 10 April 2021.
^"Ondarroa – Arrate (Eibar)". Tour of the Basque Country (in Spanish). Organizaciones Ciclistas Euskadi. Archived from the original on 3 April 2021. Retrieved 5 April 2021.
^Roadbook 2021, pp. 92–101.
^ a b c d e f g h"Primoz Roglic wins Itzulia Basque Country". CyclingNews. 10 April 2021. Retrieved 10 April 2021.
^ a b"Roglic vencedor de la Itzulia 2021" [Roglic is the winner of Itzulia 2021]. Tour of the Basque Country (in Spanish). Organizaciones Ciclistas Euskadi. 9 April 2021. Archived from the original on 10 April 2021. Retrieved 10 April 2021.
Sources
Libro de Ruta Itzulia 2021 [2021 Itzulia Road Book] (PDF) (in Spanish). Organizaciones Ciclistas Euskadi. 2021. Archived from the original (PDF) on 26 March 2021. Retrieved 5 April 2021. {{cite book}}: |work= ignored (help)