Ruth del Carmen Grajeda González (born July 31, 1980 in Ciudad Cuauhtémoc, Chihuahua) is a Mexican sprinter, who specialized in the 400 metres. She won two gold medals, as a member of the Mexican relay team, at the 2006 Ibero-American Championships in Ponce, Puerto Rico, and at the 2008 Ibero-American Championships in Iquique, Chile.
|Full name||Ruth del Carmen Grajeda|
|Born||31 July 1980|
|Height||1.67 m (5 ft 5 1⁄2 in)|
|Weight||55 kg (121 lb)|
|Event(s)||4 × 400 metres relay|
Grajeda competed for the women's 4 × 400 m relay at the 2008 Summer Olympics in Beijing, along with her teammates Zudikey Rodríguez, Gabriela Medina, and Nallely Vela. Running the start-off leg, Grajeda recorded her individual-split time of 54.71 seconds, and the Mexican team went on to finish the second heat in seventh place, for a total time of 3:30.36.
|2002||NACAC U-25 Championships||San Antonio, Texas, United States||6th||100m||12.22 (wind: +0.3 m/s)|
|5th||200m||24.82 (wind: -0.3 m/s)|
|Central American and Caribbean Games||San Salvador, El Salvador||5th||100m||11.95 w (wind: 2.3 m/s)|
- Evans, Hilary; Gjerde, Arild; Heijmans, Jeroen; Mallon, Bill. "Ruth Grajeda". Olympics at Sports-Reference.com. Sports Reference LLC. Retrieved 26 January 2013.
- Clavelo Robinson, Javier (29 May 2006). "Strong jump performances highlight the Iberoamerican Champs". IAAF. Retrieved 26 January 2013.
- "Oro para el relevo femenil 4x400 en Iberoamericano de Atletismo" [Gold for women's 4×400 relay in Iberoamerican Athletics] (in Spanish). La Jornada. 16 June 2008. Retrieved 26 January 2013.
- "Women's 4×400m Relay Round 1 – Heat 2". NBC Olympics. Archived from the original on 21 August 2012. Retrieved 26 January 2013.