CREATE TABLE table_204_712 (id DECIMAL, "rank" DECIMAL, "athlete" TEXT, "nationality" TEXT, "time" TEXT, "notes" TEXT)

name all athletes were slower than horacio nava .
SELECT "athlete" FROM table_204_712 WHERE "rank" > (SELECT "rank" FROM table_204_712 WHERE "athlete" = 'horacio nava')
SELECT "athlete" FROM "table_204_712" WHERE "rank" > (SELECT "rank" FROM "table_204_712" WHERE "athlete" = 'horacio nava')