– U.S. Masters Swimming open-water national races: Friday-Sunday, Chattanooga; 1-mile fun swim Friday; 1-3-mile national championship Saturday in Tennessee River, 9-plus-miler Sunday; must be USMS member to compete for national titles. See chattswimfest.com.
– Kids Bass Tournament: Saturday, Marion County Park, 8 a.m.-noon EDT; 1-fish limit per team, but more than 1 team can fish from each boat; $20 per child/adult team plus $5 for each added person; 12-inch minimum for spotted bass, 15-inch for largemouth, 18-inch for smallmouth; prizes for all youth entries. Call Darren Nunley at 423-834-6944, Hensley Powell at 423-508-4033, David DuVall at 931-808-0845 or Ray Koon at 931-607-2530.
– Soddy-Daisy chapter of Tennessee Trails Assn. hikes: Saturday, National Trails Day, Greenway Farm (meet at 8 a.m. at log cabin at GF; call Jean Smith at 596-7681); Tuesday, Harrison Bay State Park, easy 4.5 miles (meet at 8 a.m. at Target parking lot on Hwy. 153; call Donna Pyers at 344-9271); June 13, Signal Mountain MS/HS to Middle Bridge & back, moderate 5 miles (meet at 8 a.m. at Food City parking lot in Red Bank; contact Boodie Fox at 842-1178); June 17, Roaring Creek, strenuous 8 miles (meet at 8 a.m. at Durham Street parking lot in Soddy-Daisy; contact John Politte at 304-8327).
– Rapid Learning whitewater kayaking practice: Wednesdays, 6-7 & 7-8 p.m., Chester Frost Park, end of the swimming beach by the first boat ramp; family-friendly for ages 8-up; first-timers free, equipment provided, reservations not required; yearly membership $75, family membership $125. Email info@outdoorchattanooga.com or call 643-6888.
– Local Tennessee Ornithological Society meeting: June 8, 7 p.m., Ascension Lutheran Church, 720 S. Germantown Road. Contact David Stone at rockyturf@comcast.net or 238-4234.