Alex Trebek sprung into action after a thief put his valuables in jeopardy.
ABC News reports that the game show host hurt himself running after a burglar who took cash, a bracelet his mother gave him and other items from his San Francisco hotel room.
MyFoxNY reports that Trebek ruptured his achilles tendon and fell on the carpet, hurting his other leg during the chase.
Police told ABC News that a 56-year-old woman was arrested and charged with burglary and possession of stolen property.
Trebek was in San Francisco hosting the National Geographic World Championship.
Mountain View Patch reports that Russia won the championship by answering the question: which country's law is comprised 90 percent by Sharia Law. The answer is Saudi Arabia.
Trebek's harrowing chase comes on the heels of his Lifetime Achievement honor at last month's Daytime Emmys.