* Still Hollow Trail Race: Saturday, 7:30 a.m., Enterprise South Nature Park; half marathon & 10k; $50 through, then $70, for half marathon; $35 through today, then $45, for 10k. See www.wildtrails.org.
* Soddy-Daisy chapter of Tennessee Trails Assn. hikes: Saturday, Savage Gulf north rim, in and out, up to 10 miles, your choice; meet at 8 a.m. at Durham Street parking lot in Soddy-Daisy); Tuesday, Laurel Falls, easy to moderate 4 miles (meet at 8 a.m. at Durham Street lot; call Rene Grace at 593-8128); Aug. 11, Cumberland Trail, Sluder Lane to Deep Creek, 7 miles (meet at 8 a.m. at Durham Street lot; call John Politte at 304-8327); Aug. 14, Lula Lake property, 5 trails, moderate 4 miles (meet at 8 a.m. at Food City lot in Red Bank; call Trish Appleton at 332-6517); Aug. 18, Pot Point Nature Trail, moderate 4.3 miles with 800-foot climb (meet at 8 a.m. at Food City on Signal Mountain Road); Aug. 21, Piney Falls north of Spring City, easy 3 miles includes waterfall (meet at 8 a.m. at Durham Street lot; call Appleton).
* Chattanooga Grotto Club meeting: Monday, 7-8:30 p.m., Outdoor Chattanooga; free, open to public.
* Rapid Learning intro to kayak & skills practice: Wednesdays, 6-8 p.m., Chester Frost Park, far end of beach by first boat ramp; family-friendly for ages 8-up; first-timers free; equipment provided, reservations not required. Email firstname.lastname@example.org or call 643-6888.
* Local Tennessee Ornithological Society meeting: Aug. 9, 7 p.m., Ascension Lutheran Church, 720 S. Germantown Road. Contact David Stone at email@example.com or 413-7033.
* Harrison Bay Star Party: Aug. 11, 9-11 p.m.; hosted by Barnard Astronomical Society; chance to see the night sky through telescopes & binoculars available free, with experts to identify constellations, etc.
* Adaptive cycling program: Aug. 13 & 27, 6-8 p.m., from Hubert Fry Center at Tennessee Riverpark; sponsored by SPARC & city of Chattanooga therapeutic recreation division; recumbent 3-wheelers, hand cycles & tandem bikes available; free but pre-registration required through Jerry at firstname.lastname@example.org or 596-5268 or Elaine at email@example.com or 697-1345. Also, volunteers email firstname.lastname@example.org.
* Kayak the Tennessee River Gorge: Aug. 14, 6:30-9:30 p.m.; paddle 4.4 miles with Outdoor Chattanooga guides in sea touring kayaks; ages 14-up, youth accompanied by adult; $50, registration & payment required in advance. Email email@example.com or call 643-6888.
* Chickamauga Battlefield free bike tour: Aug. 18, 9:30-noon, leisurely 3- to 4-mile ride from visitors center with history talks; adults & kids ages 8-up (with adult) welcome; helmets required. Bicycles can be reserved by calling 706-866-9241.
* Chattanooga Bicycle Club meeting: Aug. 20, 6-7 p.m. Outdoor Chattanooga, Coolidge Park; for recreational cyclists.
* Mountain to Town bike adventure: Aug. 24, 9 a.m.-noon, beginner-friendly Guild Trail to Tennessee Riverwalk in St. Elmo and on into downtown; ages 10-up; shuttle, instruction & guides (& bike, too, if needed) provided by Outdoor Chattanooga; $25. Pre-registration required at firstname.lastname@example.org or 643-6888.
* Family Funday: Aug. 26, 4-7 p.m., Walnut Wall; no experience or registration necessary, top-roped climbing for beginners to advanced. Call 643-6888.