BYU Cougars vs Colorado State Rams

BYU Cougars 40

BYU Cougars leads 40-27-3

3 ties

1922 to 2026

BYU Cougars have won 8 straight

Colorado State Rams 27

Series timeline

▲ BYU Cougars ahead (peak +13) ▼ Colorado State Rams ahead (peak +11)

BYU Cougars Colorado State Rams Tie Postseason One meeting per cell

Longest streaks: BYU Cougars 10 (1976–1985), Colorado State Rams 6 (1922–1928). Current: BYU Cougars 8.

Split	BYU Cougars record
Regular season	40-27-3
Hosted by BYU Cougars	22-11
Hosted by Colorado State Rams	18-16-3
Last 10 seasons (2002 to 2026)	8-2
Largest BYU Cougars win	63-14 (1981)
Largest Colorado State Rams win	58-13 (2003)

2020s

Season	Date	Winner	Score	Site	Round
2026	Sep 19, 2026	BYU Cougars	41-23	at Colorado State Rams	Week 3

2010s

Season	Date	Winner	Score	Site	Round
2010	Nov 13, 2010	BYU Cougars	49-10	at Colorado State Rams	Week 11

2000s

Season	Date	Winner	Score	Site	Round
2009	Sep 26, 2009	BYU Cougars	42-23	at BYU Cougars	Week 4
2008	Nov 1, 2008	BYU Cougars	45-42	at Colorado State Rams	Week 10
2007	Nov 3, 2007	BYU Cougars	35-16	at BYU Cougars	Week 10
2006	Nov 4, 2006	BYU Cougars	24-3	at Colorado State Rams	Week 10
2005	Oct 15, 2005	BYU Cougars	24-14	at BYU Cougars	Week 7
2004	Oct 2, 2004	BYU Cougars	31-21	at Colorado State Rams	Week 6
2003	Oct 9, 2003	Colorado State Rams	58-13	at BYU Cougars	Week 8
2002	Oct 24, 2002	Colorado State Rams	37-10	at Colorado State Rams	Week 10
2001	Nov 1, 2001	BYU Cougars	56-34	at BYU Cougars	Week 10
2000	Nov 2, 2000	Colorado State Rams	45-21	at Colorado State Rams	Week 11

1990s

Season	Date	Winner	Score	Site	Round
1999	Sep 16, 1999	BYU Cougars	34-13	at BYU Cougars	Week 4
1995	Sep 30, 1995	BYU Cougars	28-21	at Colorado State Rams	Week 6
1994	Sep 17, 1994	Colorado State Rams	28-21	at BYU Cougars	Week 4
1993	Sep 18, 1993	BYU Cougars	27-22	at Colorado State Rams	Week 4
1991	Oct 31, 1991	BYU Cougars	40-17	at Colorado State Rams	Week 10
1990	Oct 13, 1990	BYU Cougars	52-9	at BYU Cougars	Week 8

1980s

Season	Date	Winner	Score	Site	Round
1989	Oct 14, 1989	BYU Cougars	45-16	at Colorado State Rams	Week 7
1988	Oct 8, 1988	BYU Cougars	42-7	at BYU Cougars	Week 7
1987	Dec 4, 1987	BYU Cougars	30-26	at BYU Cougars	Week 15
1986	Oct 3, 1986	Colorado State Rams	24-20	at BYU Cougars	Week 6
1985	Oct 5, 1985	BYU Cougars	42-7	at Colorado State Rams	Week 6
1984	Oct 6, 1984	BYU Cougars	52-9	at Colorado State Rams	Week 7
1983	Nov 12, 1983	BYU Cougars	24-6	at BYU Cougars	Week 12
1982	Oct 23, 1982	BYU Cougars	34-18	at BYU Cougars	Week 8
1981	Nov 7, 1981	BYU Cougars	63-14	at Colorado State Rams	Week 10
1980	Nov 15, 1980	BYU Cougars	45-14	at BYU Cougars	Week 12

1970s

Season	Date	Winner	Score	Site	Round
1979	Nov 3, 1979	BYU Cougars	30-7	at Colorado State Rams	Week 10
1978	Sep 23, 1978	BYU Cougars	32-6	at BYU Cougars	Week 4
1977	Oct 15, 1977	BYU Cougars	63-17	at Colorado State Rams	Week 7
1976	Sep 18, 1976	BYU Cougars	42-18	at BYU Cougars	Week 3
1975	Sep 20, 1975	Colorado State Rams	21-17	at Colorado State Rams	Week 3
1974	Oct 5, 1974	Tie	33-33	at Colorado State Rams	Week 5
1973	Sep 15, 1973	Colorado State Rams	21-13	at BYU Cougars	Week 3
1972	Oct 28, 1972	BYU Cougars	44-8	at Colorado State Rams	Week 8
1971	Sep 18, 1971	BYU Cougars	54-14	at BYU Cougars	Week 2
1970	Nov 7, 1970	Colorado State Rams	26-9	at Colorado State Rams	Week 11

1960s

Season	Date	Winner	Score	Site	Round
1969	Sep 20, 1969	BYU Cougars	22-20	at BYU Cougars	Week 2
1966	Sep 30, 1966	BYU Cougars	27-24	at BYU Cougars	Week 4
1965	Nov 13, 1965	Colorado State Rams	36-22	at BYU Cougars	Week 10
1964	Oct 10, 1964	Colorado State Rams	7-6	at Colorado State Rams	Week 5
1963	Nov 23, 1963	BYU Cougars	24-20	at BYU Cougars	Week 11
1962	Oct 6, 1962	BYU Cougars	28-7	at Colorado State Rams	Week 4
1961	Nov 11, 1961	BYU Cougars	30-16	at BYU Cougars	Week 9
1960	Oct 1, 1960	Colorado State Rams	8-7	at Colorado State Rams	Week 4

1950s

Season	Date	Winner	Score	Site	Round
1959	Nov 21, 1959	BYU Cougars	14-13	at BYU Cougars	Week 11
1958	Oct 4, 1958	Colorado State Rams	32-6	at Colorado State Rams	Week 4
1957	Nov 23, 1957	BYU Cougars	26-9	at BYU Cougars	Week 11
1956	Sep 29, 1956	Tie	0-0	at Colorado State Rams	Week 3
1955	Nov 19, 1955	Colorado State Rams	35-0	at BYU Cougars	Week 10
1954	Oct 2, 1954	Colorado State Rams	14-13	at Colorado State Rams	Week 3
1953	Nov 7, 1953	Colorado State Rams	34-12	at BYU Cougars	Week 8
1952	Nov 22, 1952	Colorado State Rams	27-6	at Colorado State Rams	Week 11
1951	Nov 3, 1951	BYU Cougars	21-19	at BYU Cougars	Week 8
1950	Oct 14, 1950	Colorado State Rams	27-14	at Colorado State Rams	Week 5

1940s

Season	Date	Winner	Score	Site	Round
1949	Nov 11, 1949	Colorado State Rams	16-14	at BYU Cougars	Week 10
1948	Nov 15, 1948	Colorado State Rams	20-0	at Colorado State Rams	Week 10
1947	Nov 15, 1947	Colorado State Rams	27-25	at BYU Cougars	Week 10
1946	Nov 16, 1946	BYU Cougars	20-6	at Colorado State Rams	Week 10
1941	Nov 22, 1941	Colorado State Rams	22-7	at BYU Cougars	Week 10
1940	Nov 23, 1940	Tie	13-13	at Colorado State Rams	Week 11

1930s

Season	Date	Winner	Score	Site	Round
1939	Oct 7, 1939	BYU Cougars	13-12	at BYU Cougars	Week 4
1938	Nov 19, 1938	BYU Cougars	20-12	at Colorado State Rams	Week 10

1920s

Season	Date	Winner	Score	Site	Round
1928	Oct 13, 1928	Colorado State Rams	15-6	at Colorado State Rams	Week 5
1927	Oct 8, 1927	Colorado State Rams	29-0	at Colorado State Rams	Week 4
1926	Nov 20, 1926	Colorado State Rams	19-6	at BYU Cougars	Week 10
1925	Oct 10, 1925	Colorado State Rams	21-7	at Colorado State Rams	Week 4
1923	Oct 13, 1923	Colorado State Rams	14-6	at Colorado State Rams	Week 4
1922	Nov 25, 1922	Colorado State Rams	33-0	at Colorado State Rams	Week 10