Guatemala competed at the 2015 World Championships in Athletics in Beijing, China, from 22 to 30 August 2015.

Results (q – qualified, NM – no mark, SB – season best)

Men Track and road events AthleteEventHeatSemifinalFinalResultRankResultRankResultRank José María Raymundo 20 km walkcolspan=4 1:29:0148 Erick Barrondo 50 km walkcolspan=4 DQ Jaime Quiyuchcolspan=4 3:57:4129 Luis Ángel Sánchezcolspan=4 4:09:2636

Women Track and road events AthleteEventHeatSemifinalFinalResultRankResultRankResultRank Mirna Ortiz 20 km walkcolspan=4 1:31:3212 Maritza Ponciocolspan=4 1:35:53 28 Mayra Herreracolspan=4 1:39:23 39

References