Chile competed at the 2017 World Championships in Athletics in London, United Kingdom, from 4 to 13 August 2017.

Consisting of nine athletes (six men and three women), the Chilean delegation was the largest in the history of the competition.-

Results Men Track and road events AthleteEventHeatFinalTimeRankTimeRankVíctor Aravena5000 metres–colspan=2 Manuel CabreraMarathoncolspan=2 2:24:0855Leslie Encinacolspan=2 2:22:1049Enzo Yáñezcolspan=2 –Yerko Araya20 kilometres walkcolspan=2 1:23:4639Edward Araya50 kilometres walkcolspan=2 –

Women Track and road events AthleteEventHeatSemifinalFinalTimeRankTimeRankTimeRankIsidora Jiménez200 metres23.8941colspan=4

Field events AthleteEventQualificationFinalDistancePositionDistancePositionNatalia DucoShot put17.6615colspan=2 Karen GallardoDiscus throw52.8129colspan=2

Sources