CHICAGO (CBS) — Thirty years after her Chicago Marathon victory, Joan Benoit Samuelson is training hard for a return engagement.

In 1985, she won Chicago in 2 hours, 21 minutes, 21 seconds.

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To mark the 30 years, she’s aiming to run within 30 minutes of that time.

She’s training hard and that goal is within reach.

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She ran 2:54:03 at this year’s Boston Marathon.

WBBM’s Josh Liss caught up with the trailblazing athlete.

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Listen to the interview here: