An annual event returns to the grounds of Adena Mansion and Gardens with "Kill the Hill," a race that features a killer hill. Participants can choose between a 5K run/walk, a 10-mile run, or a 1mile fun run. All races begin and end at the Adena Visitor’s Center.

Participants first descend Adena’s landmark hill, then follow a course that winds through Yaples Orchard and Yoctangee Park before returning up the hill to finish. Adena’s grounds open at 6:30am and the races begin at 8am.


Participants may register online at or by filling out a registration form. Registration forms may be found online at or in person at the Adena Visitor’s Center. Completed forms can be dropped off in person or mailed to 847 Adena Road, Chillicothe, OH 45601.


The pre-registration deadline is May 23 and secures a race T-shirt. Regular registration is available until the beginning of the race. Fees for the 5K are $20 during pre-registration; $25 after May 23. The 10-mile run is $30 for pre-registration; $35 after May 23. The 1-mile fun run is $10.


Contributions are tax-deductible and all proceeds support the operation of Adena Mansion and Gardens. Prizes will be awarded to the top 3 winners in the Men’s and Women’s Divisions of the 10-mile run. Door prizes are available to all participants.


For more information, please call (740) 772-1500, e-mail, or visit


Adena Mansion was the home of Ohio’s sixth governor, Thomas Worthington. Adena Mansion and Gardens Society manages the site on behalf of the Ohio Historical Society. Adena is located at the south end of Adena Road, off Pleasant Valley Road, which is the first road off State Route 104, just north of the US 35 interchange at the north edge of Chillicothe.