Observer Editor, Free
Group Runs: Ann Arbor Running Company
Every Thurs., Sat., Mon., & Tues. (different AARC locations). Runners of all abilities invited to join a 5-km mapped route (Mon. & Thurs.), an advanced or beginner group run (Sat.), or an interval-based training run (Tues.). 6 p.m. (Thurs.), AARC Colonnade, 901 W. Eisenhower; 7 a.m. (Sat.) & 6 p.m. (Tues.), AARC Downtown, 209 S. Ashley; and 6 p.m. (Mon.), Corner Brewery, 720 Norris St., Ypsilanti. Free. annarborrunningcompany.com.