While Dingell says her body and all of her muscles are “greatly objecting to the decision” to give the three-day workout a go, she’s determined to raise money for breast cancer research. Her friend Cassandra Woods, a state director for Sen. Carl LevinCarl LevinCongress: The sleeping watchdog Congress must not give companies tax reasons to move jobs overseas A lesson on abuse of power by Obama and his Senate allies MORE (D-Mich.), died from the disease last spring.

Asking for supporters to donate to her fundraising page, Dingell — who’s teaming up with a group of friends for the walk — says she promises “I can entertain you with stories of the ugly reality of this non-fit person participating in this project.”

Photo: Debbie and John Dingell in June.