Obando served a total of 21 years in the Primera Division of Costa Rica, between 1979 and 2000, and participated in 685 football games, being the Costa Rican footballer the one most often played, beating for one game to Julio Fuller. 
Obando holds the record as the most-capped player in the Costa Rican Primera División with 685 appearances. He played from 1979 to 2000 with Herediano, A.D. San Carlos, C.S. Cartaginés, Deportivo Saprissa, A.D. Ramonense, Turrialba and Municipal Puntarenas.
He was part of the national team squad, that played in the 1990 FIFA World Cup held in Italy. The defender collected 51 caps (1 goal) for the "Tico's". He made his debut in 1980, competed at the 1984 Summer Olympics and played his last international on January 19, 1994 against Norway.
Career as manager
He has moved into the coaching side of the game currently coaching a 2nd division team in Costa Rica (Barrio Mexico). Also, he is now training a new soccer academy for kids of 14 years, called Buffalos Soccer Academy in Costa Rica. He works with Roberto Castro
He has two kids; a son who is also named Marvin and a Daughter named Paola.
Marvin Jr. currently plays for Heredia in the Costa Rican 1st Division, he debuted with Heredia )when he was 17 years old.
- Rivera, Arnoldo (10 March 2012). "Marvin Obando, el dueño de la marca" [Marvin Obando, the owner of the record] (in Spanish). La Nacion.
- Marvin Obando – FIFA competition record
- "Costa Rica - Record International Players". RSSSF. Retrieved 2009-03-29.
- "Marvin Obando". Sports Reference. Retrieved 2009-03-29.
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