Who is Ku's biggest rival?

Written by Editorial Team | Last Updated: August 2026

The absolute primary, fiercest athletic and cultural rival for the University of Kansas is the University of Missouri. Known universally as the "Border War," this historic annual series transcends simple collegiate games, representing deeply ingrained regional competition and historic socio-political tensions that date back to the nineteenth century. While the Jayhawks also maintain spirited conference rivalries with other traditional Big Twelve opponents, no matchup carries the same weight, institutional intensity, and passionate fan fervor as the storied showdowns between the University of Kansas and the University of Missouri, which ignite pride and rivalry across their respective student, alumni, and state populations.

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