CREATE TABLE table_204_880 (id DECIMAL, "year" DECIMAL, "competition" TEXT, "venue" TEXT, "position" TEXT, "event" TEXT, "notes" TEXT)

how long did it take him to finish the marathon at the olympics in 2004 ?
SELECT "notes" FROM table_204_880 WHERE "competition" = 'olympic games' AND "year" = 2004
SELECT "notes" FROM "table_204_880" WHERE "competition" = 'olympic games' AND "year" = 2004