4 × 400 meter relay at the NCAA Division I Indoor Track and Field Championships

The 4 × 400 meter relay or its imperial 4 × 440 yard relay equivalent has been held at the NCAA Division I Indoor Track and Field Championships since its founding in 1965. The imperial distance was held until 1983, while the metric distance has been run since 1984. Hand timing was used until 1975 and in 1980, while in all other years fully automatic timing was used. In 1986 and 1987, the $1/10$-mile track that the races were run on was 25 in per lap short, making the actual race distance less than 400 meters those years. Official relay splits were provided by Flash Results beginning in 2008.

Winners

 * Key:
 * y=yards
 * A=Altitude assisted