The 2025 season is the defining moment of the Brock Spack era at Illinois State. Unseeded and given no realistic path to championship glory, the Redbirds won four consecutive playoff games on the road, traveling nearly 8,000 miles through Southeastern Louisiana, the Fargodome in Fargo, UC Davis, and Villanova to reach the FCS National Championship on January 5, 2026, in Nashville. The centerpiece was the December 6, 2025, upset of #1-seeded North Dakota State, 29-28, in the second round. With quarterback Tommy Rittenhouse orchestrating the comeback, Illinois State scored two late touchdowns—a 1-minute-remaining TD pass to Daniel Sobkowicz and a two-point conversion to Scotty Presson Jr.—to break a 14-game losing streak to the Bison and end their FCS dynasty era.

But the championship game was heartbreak. Illinois State scored first in overtime (Rittenhouse to Dylan Lord), but the extra point was blocked. Montana State responded when QB Justin Lamson connected with Taco Dowler on fourth down, and the kick was good. The Redbirds lost 35-34, one point short of the program's first FCS national title. Still, the 2025 season redefined the narrative of Illinois State football: a Missouri Valley program built by 17 years of Brock Spack's culture-first approach, a 3-win rebuild that became a championship contender, and proof that sustained coaching tenure and player development matter as much as historical pedigree or recruiting rank.

The 2014 championship loss to NDSU was the wound. Eleven years later, Illinois State returned to the title game, beat NDSU in the most dramatic fashion, and fell one point short of restoration. The next championship run will carry that weight—but it will also carry the knowledge that the Redbirds belong on the sport's biggest stages.