Dirty Dirty 15K
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Event overview
Dirty Dirty is scheduled for Saturday, November 22, 2025, at the River Grove Picnic Area in North Chagrin Reservation, Willoughby Hills, OH (2944 River Rd). The event is the final race of the 2025 Dirty Trail Series and features a 15k trail race run as two loops. Registration pricing is listed as EARLY (through 10/22): $50; REGULAR (10/23–11/11): $60; LATE (11/12–22): $65. Donations from the event benefit the Trails Division of Cleveland Metroparks.
Course, support and awards
The course runs through Cleveland Metroparks and includes varied terrain such as woodlands and meadows. The route is described as the reverse of the Dirty Love 15k and passes landmarks including Squires Castle, Buttermilk Falls, and Oxbow Lagoon. Fluid stations will serve water and Skratch hydration, and participants are encouraged to carry water. All participants receive a finisher medal and an item from the grab bag. Awards are given to the Top 3 overall male and female finishers and the Top 3 male and female finishers in the following age groups: 14 & Under, 15-19, 20-24, 25-29, 30-34, 35-39, 40-44, 45-49, 50-54, 55-59, 60-64, 65-69, and 70 & Over. Visit the organization's website for the most recent information.