Runners and walkers will have the opportunity to use the nature center’s trails at the Pine River Nature Center Rock & Root Ramble 5K Trail Run. The run is Sunday, Aug. 26. Start times are 10 a.m. for runners and 11 a.m. for walkers. Parking will be available at Goodells County Park with shuttle service to the nature center. The nature center is at 2585 Castor Road, Goodells, adjacent to Goodells County Park. Registration is $20. Runners will receive a free T-shirt. Registrations will be taken the day of the event. Proceeds will benefit programs at the nature center. For more information, please call the Pine River Nature Center at (810) 364-5477, or download a flyer or entry form at the RESA website, www.sccresa.org. The nature center is owned and operated by the St. Clair County Regional Educational Service Agency. The 5K trail run/walk is in memory of Joseph Caimi, a former superintendent at Algonac Community Schools and St. Clair County RESA.