Union City, Tenn.–The Discovery Dash 2021 5K and 10K will be held Saturday, September 18 at Discovery Park of America. $25 entrance fee, details at Discovery Park website. Free t-shirt and park admission from 8-10 a.m. Run through most unique track in the world.

Pediatric Day health fair happening same day, from 10 a.m. to 4 p.m.