diff --git a/optimizacion.sql b/optimizacion.sql
new file mode 100644
index 0000000..8e8588f
--- /dev/null
+++ b/optimizacion.sql
@@ -0,0 +1,19 @@
+SELECT P.ID_PAIS, P.NOMBRE, COUNT(1) AS CANTIDAD_ATLETA
+    FROM COMPETENCIA C
+    LEFT JOIN PARTICIPAR_COMPETENCIA PC ON (C.ID_COMPETENCIA = PC.ID_COMPETENCIA)
+    LEFT JOIN ATLETA A ON A.ID_ATLETA = PC.ID_ATLETA
+    INNER JOIN DELEGACION D ON (D.ATLETA = A.ID_ATLETA)
+    INNER JOIN PAIS P ON (P.ID_PAIS = D.PAIS)
+    INNER JOIN TIPOS_DEPORTES TD ON (C.TIPO = TD.ID_TIPO AND (UPPER(TD.DESCRIPCION) = 'ATLETISMO'))
+    GROUP BY (P.ID_PAIS, P.NOMBRE);
+    
+    
+SELECT P.ID_PAIS, P.NOMBRE, COUNT(*) AS CANTIDAD_ATLETA
+    FROM COMPETENCIA C
+    LEFT JOIN PARTICIPAR_COMPETENCIA PC ON (C.ID_COMPETENCIA = PC.ID_COMPETENCIA)
+    LEFT JOIN ATLETA A ON A.ID_ATLETA = PC.ID_ATLETA
+    INNER JOIN DELEGACION D ON (D.ATLETA = A.ID_ATLETA)
+    INNER JOIN PAIS P ON (P.ID_PAIS = D.PAIS)
+    WHERE TIPO = (SELECT TD.ID_TIPO FROM TIPOS_DEPORTES TD WHERE (UPPER(TD.DESCRIPCION) = 'ATLETISMO'))
+    GROUP BY (P.ID_PAIS, P.NOMBRE);
+    
\ No newline at end of file