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| Date: | October or November |
| Location: | Guadalajara, Jalisco, Mexico |
| Type: | Road |
| Distance: | Marathon |
| Homepage: | https://www.maratonguadalajara.org |
The Guadalajara Marathon (also known as the Guadalajara International Marathon or Maratón GDL) is an annual road-based marathon hosted by Guadalajara, Mexico, since 1984. The marathon is a World Athletics Elite Label Road Race and a member of the Association of International Marathons and Distance Races.
The event is organized by the Guadalajara Municipal Sports Council, which also organizes the Guadalajara Half Marathon, a separate half marathon event held in February.
The inaugural race was held on as a half marathon. It was won by Mexican runner Audón Hernández with a finish time of 1:06:16.
The second edition, held on, was the first to feature a race with the standard marathon distance of . The marathon was won by Mexican runners Eduardo Blake and Esmeralda Gutiérrez, with finish times of 2:22:22 and 3:00:59, respectively.
The event was not held in 2011 due to the 2011 Pan American Games being held in the city that October.
The 2020 edition of the race was cancelled due to the coronavirus pandemic.
The marathon begins at the Hospicio Cabañas and ends at the . The course consists of roughly a clockwise loop in the central and southern areas of the city, with an additional out-and-back leg along Lázaro Cárdenas Avenue making up about a third of the course.