Arrendel originally won the 1999 Pan American Games in Winnipeg, but lost the gold medal after testing positive for stanozolol. In 2006, she became the sixth woman to win three Central American and Caribbean Games titles in a row. The other are Miguelina Cobián, Carmen Romero, Bárbara Hechevarría, María Caridad Colón and Letitia Vriesde.
|Representing the Dominican Republic|
|1998||Central American and Caribbean Games||Maracaibo, Venezuela||1st||1.90 m PB|
|World Cup||Johannesburg, South Africa||8th||1.85 m|
|2002||NACAC U-25 Championships||San Antonio, Texas, United States||1st||1.95 m|
|Central American and Caribbean Games||San Salvador, El Salvador||1st||1.97 m PB|
|2003||World Championships||Paris, France||8th||1.95 m SB|
|Pan American Games||Santo Domingo, Dominican Republic||1st||1.94 m|
|2006||Central American and Caribbean Games||Cartagena, Colombia||1st||1.93 m SB|
|2007||Pan American Games||Rio de Janeiro, Brazil||6th||1.81 m|
- "Drugs in world athletics". BBC. 31 July 2000. Retrieved 2006-11-27.
- Clavelo Robinson, Javier (30 July 2006). "Cuba dominates last day - CAC Games, Day 5". IAAF. Archived from the original on 28 May 2007. Retrieved 2006-11-27.
- Dominican Republic athletics records Archived 2007-10-09 at the Wayback Machine