Stage 1 of the 2025 Tour of Guangxi is a flat stage that will take place on .

The stage starts in 港口区 and finishes in 港口区, starting at with an expected finish at (average speed of km/h).

The total distance of the stage is 151.2 km. The stage includes 0 categorized climb(s) and 0 intermediate sprint(s), and has a total elevation gain of 783 m, and a total descent of -783 m.