PORTLAND — Ten days of preparation begins Friday at 7 a.m. with a practice run on the 15th annual Trails to Ale 10K course along the Eastern Promenade, Back Cove and Bayside trails, sponsored by Portland Trails.
The annual race is at 9 a.m. on Sept. 21.
Besides the warm-up run, the public is also invited to join in two days of cleanups of the 60-mile trail network. The first begins at 9 a.m. Saturday, the second at 3 p.m. Tuesday, Sept. 16.
For more information and to volunteer or register for the runs, visit trails.org.