SCHEMA:
CREATE TABLE table_name_26 (race_2 VARCHAR, track VARCHAR, race_1 VARCHAR, race_3 VARCHAR)
USER:
What Race 2 has a Race 1 of dnf, a Race 3 of dnf, and the Track Winton?

QUERY:
SELECT race_2 FROM table_name_26 WHERE race_1 = "dnf" AND race_3 = "dnf" AND track = "winton"