The 2023 UCI Mountain Bike Marathon World Championships took place on 6 August 2023 in Glentress Forest, Scotland, as part of the inaugural UCI Cycling World Championships.^[1] It was the 21st edition of the UCI Mountain Bike Marathon World Championships.

Event	Gold		Silver		Bronze
Men details	Henrique Avancini  Brazil	4:14:42	Martin Stošek  Austria	4:15.10	Lukas Baum  Germany	4:16.25
Women details	Mona Mitterwallner  Austria	5:07:50	Candice Lill  South Africa	5:08.44	Adelheid Morath  Germany	5:17.40

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