2018 UCI Road World Championships – Men's under-23 time trial

The Men's under-23 time trial of the 2018 UCI Road World Championships was a cycling event that took place on 24 September 2018 in Innsbruck, Austria. It was the 23rd edition of the event, for which Danish rider Mikkel Bjerg was the defending champion, having won in 2017. 71 riders from 42 nations entered the competition, held over a rolling route 27.7 kilometres (17.2 miles) in length, starting from Wattens and ending in Innsbruck.

2018 UCI Road World Championships – Men's under-23 time trial

The Men's under-23 time trial of the 2018 UCI Road World Championships was a cycling event that took place on 24 September 2018 in Innsbruck, Austria. It was the 23rd edition of the event, for which Danish rider Mikkel Bjerg was the defending champion, having won in 2017. 71 riders from 42 nations entered the competition, held over a rolling route 27.7 kilometres (17.2 miles) in length, starting from Wattens and ending in Innsbruck.