Observer Editor, Free
Group Runs: Ann Arbor Running Company
Every Tues., Thurs., Sat., & Mon. (different AARC locations). Runners of all abilities invited to join an interval-based training run (Tues.), a 5km mapped route (Mon. & Thurs.), or an advanced or beginner group run (Sat.). 6 p.m. (Tues. & Sat.), AARC Downtown, 209 S. Ashley; 6 p.m. (Thurs.), AARC Colonnade, 901 W. Eisenhower; and 6 p.m. (Mon.), Corner Brewery, 720 Norris St, Ypsilanti. Free. annarborrunningcompany.com.