Isaac Marín’s Home-Ring Championship Test
On January 29, 1972, Costa Rican boxer Isaac Marín challenged Ricardo Arredondo for the WBC super-featherweight championship in Heredia. Arredondo retained his title by decision over fifteen rounds.
Marín’s Olympic appearance came before the professional bouts that made him a national boxing figure. At Mexico City 1968 he competed at light-welterweight and finished equal 17th; later, he moved to super featherweight for his challenge against Ricardo Arredondo. The title fight took place in Heredia, placing a world championship bout before Costa Rican fans. Arredondo won the 15-round decision, but Marín’s participation marked an important milestone for Costa Rican boxing and gave him a place in the country’s sporting history (La Nación historical account).
Costa Rica at the 1968 Olympics
Marín competed in the men’s light-welterweight boxing tournament at the Mexico City Games, finishing equal 17th. BoxRec’s profile records that he received a first-round bye before losing a 5–0 decision to Issaka Dabore of Niger. That Olympic outing came before Marín’s best-known professional bouts.
A world-title challenge in Heredia
On January 29, 1972, Marín challenged Mexico’s Ricardo Arredondo for the WBC super-featherweight championship in Heredia. The reigning champion won the 15-round decision and retained his crown. The World Boxing Council’s historical record confirms the result; La Nación identifies Marín as Costa Rica’s first challenger for a world boxing title.
Marín continued to box at home and abroad. La Nación’s account of a September 1975 bout reports that he beat Nicaragua’s Gustavo Fariñas by split decision after 10 rounds at Costa Rica’s National Gym. A 2014 La Nación retrospective, citing BoxRec, counted 70 professional bouts for Marín between 1968 and 1978: 39 wins, including 27 by knockout, 30 losses and one draw.
Marín’s world-title challenge came four years after his Olympic appearance, and it involved a move from light-welterweight to super featherweight. The difference in weight class is one reason the two records should be described separately rather than as a single continuous tournament path. His 1972 bout with Arredondo also brought a championship contest to Heredia, while later local reports document additional fights in Costa Rica. The result belongs in the wider history of Costa Rican boxing because it was the country’s first world-title challenge, as noted in La Nación’s retrospective (La Nación retrospective; WBC title record).
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Isaac Marín, Boxing, Boxing History, Championship Results
