This is the 3674th most frequent Spanish word.
olímpica
Relating to the Olympic Games.
In this sentence, 'olímpica' is used as an adjective to describe the type of medal, referring to its association with the Olympic Games.
El equipo ganó una medalla olímpica en natación.
The team won an Olympic medal in swimming.
Here, 'olímpico' is the adjective form agreeing with 'estadio' (stadium in masculine form) to denote that it is related to the Olympics.
El estadio olímpico fue construido para la última competencia internacional.
The Olympic stadium was built for the latest international competition.
In this case, 'esfuerzo olímpico' uses 'olímpico' metaphorically, indicating an extraordinary or heroic effort, akin to the great feats seen in Olympics.