The Men's under-23 time trial of the 2021 UCI Road World Championships was a cycling event that took place on 20 September 2021 from Knokke-Heist to Bruges, Belgium. It was the 25th edition of the event. The race was won by Danish rider Johan Price-Pejtersen, finishing ten seconds ahead of Luke Plapp of Australia.
Final classification 68 riders from 43 nations entered the competition, of which one did not finish and oone did not start.
Rank Rider Country Time 1 Johan Price-Pejtersen 34' 29" 2 Luke Plapp + 10" 3 Florian Vermeersch + 11" 4 Søren Wærenskjold + 13" 5 Mick van Dijke + 24" 6 Daan Hoole + 39" 7 Ethan Vernon + 43" 8 Michel Hessmann + 48" 9 Filippo Baroncini + 57" 10 Magnus Sheffield + 58" 11 Logan Currie + 1' 00" 12 Fran Miholjević + 1' 04" 13 Finn Fisher-Black + 1' 05" 14 Erik Fetter + 1' 06" 15 Carter Turnbull + 1' 15" 16 Raúl García Pierna + 1' 17" 17 Tobias Bayer + 1' 19" 18 Adam Holm Jørgensen + 1' 22" 19 Alexandre Balmer + 1' 24" 20 Yevgeniy Fedorov + 1' 25" 21 Xabier Azparren + 1' 25" 22 Jenno Berckmoes + 1' 27" 23 Marcus Sander Hansen + 1' 30" 24 Valère Thiébaud + 1' 31" 25 Kevin Vauquelin + 1' 36" 26 Rait Ärm + 1' 41" 27 Filip Maciejuk + 1' 42" 28 Maurice Ballerstedt + 1' 50" 29 Joonas Kurits + 1' 54" 30 Matthew Riccitello + 1' 56" 31 Ben Healy + 1' 59" 32 Raphael Parisella + 2' 00" 33 Marco Frigo + 2' 01" 34 Tomáš Kopecký + 2' 02" 35 Nik Čemažar + 2' 02" 36 Daniel Årnes + 2' 04" 37 Igor Chzhan + 2' 11" 38 Santiago Buitrago + 2' 12" 39 Kevin Mccambridge + 2' 13" 40 Jason Oosthuizen + 2' 13" 41 Arthur Kluckers + 2' 17" 42 Andrei Stepanov + 2' 21" 43 Thomas Delphis + 2' 27" 44 Aivaras Mikutis + 2' 37" 45 Anže Skok + 2' 41" 46 Francis Juneau + 2' 45" 47 Victor Ocampo + 2' 50" 48 Kaden Hopkins + 2' 51" 49 Paul Daumont + 3' 02" 50 Conor White + 3' 07" 51 Renus Byiza Uhiriwe + 3' 38" 52 Loïc Bettendorff + 3' 32" 53 Daniil Nikulin + 3' 36" 54 Rokas Kmieliauskas + 3' 41" 55 José Eduardo Autran + 3' 50" 56 Hamza Mansouri + 3' 52" 57 Jean Eric Habimana + 4' 07" 58 Aleksey Fomovskiy + 4' 22" 59 Jorge Peyrot Balvanera + 4' 40" 60 Francisco Chipolini + 5' 03" 61 Thanakhan Chaiyasombat + 5' 06" 62 Roberto José Herrera + 5' 34" 63 Danil Evdokimov + 5' 37" 64 Negasi Haylu Abreha + 6' 04" 65 Joel Morales + 6' 45" 66 Mohamed Rayes + 9' 07" Alexandros Matsangos Henok Mulubrhan
References