Dirty Dirty 15K
Willoughby Hills, United States • 21 Nov 2026
Dirty Dirty 15k at North Chagrin Reservation
The Dirty Dirty 15k is a two-loop trail event held at the North Chagrin Reservation, River Grove Picnic Area in Willoughby Hills, Ohio. The course is a reverse version of the Dirty Love 15k and runs through woodlands and meadows, passing landmarks such as Squires Castle, Buttermilk Falls, and Oxbow Lagoon. The route follows trails within a park managed for both outdoor recreation and wildlife preservation.
This event is the final race of the Dirty Trail Series and includes a year-end Dirty Series Party with food, prizes, and an awards ceremony. A Dirty Trail Series VIP membership is offered; stated benefits include 20% off races in the 2026 series, shoe discounts at Vertical Runner, multiple swag options or a no-swag discount, and an invitation to the awards party.
Practical details include the River Grove Picnic Area location at 2944 River Rd, Willoughby Hills, OH 44094. Parking is available at River Grove, Old River Farm, or the overflow lot at Squires Castle, with about a 3/4 mile walk along the bridle trail to the start. Entry price is listed as $50.
Awards are given to the top three overall male and female finishers and to the top three male and female finishers in multiple five year age groups ranging from 19 and under through 70 and over. Visit the organization's website for the most recent information.