» Local Tennessee Ornithological Society meeting: Today, 7 p.m., Ascension Lutheran Church, 720 S. Germantown Road. Contact David Stone at email@example.com or 413-7033.
» Soddy-Daisy chapter of Tennessee Trails Association hikes: Saturday, Upper Leggett trailhead to Rock Creek bridge & back, moderate 6 miles (meet at 9 a.m. at Durham Street parking lot in Soddy-Daisy; call John Politte at 304-8327); Tuesday, Blue Blazes Trail at Moccasin Bend, easy 2 miles (meet at 9 a.m. at Food City parking lot in Red Bank; call Will Smith at 580-2918); Dec. 30, Enterprise South, moderate 6 miles (meet at 9 a.m. at Target lot on Hwy. 153; call Donna Pyers at 344-9271).
» Lookout Mountain 50 Miler trail race: Saturday, 7:30 a.m. along with 20-mile option; 10k at 8 a.m.; from Covenant College; 50 Miler is RRCA national ultra championship for 2017; $105 for 50 Miler, $65 for 20 Miler, $55 for 10k. Register at https://wildtrails.org.
» Wauhatchie Trail Race: Saturday from Reflection Riding; hilly 6.7-mile course handicapped by age & gender, starting from 9:15 to 10:15 a.m.; race-day registration begins at 8:30 ($15); Golden Antlers awarded to overall champion & top two-person family team; participants encouraged to bring recycled items, running-related or not, for prize table. Pre-register through midnight tonight at racectc.org; see www.chattanoogatrackclub.org.
» Cloudland Canyon Sitton's Gulch hike: Saturday, 10 a.m.-4 p.m.; moderate/strenuous 6 miles; includes 600 stairs & passing Hemlock & Cherokee falls; reservations required; $15 plus $5 parking fee. Call 706-913-7170.
» Cloudland Canyon night hikes: Dec. 22 & 29, 5-7 p.m.; 2 miles; ages 10-older; reservations required; $10 plus $5 parking fee. Call 706-913-7170.
» Lula Lake open gate day: Dec. 30, 9 a.m.-5 p.m., free admission, $2 donation encouraged. See lulalake.org.
» Winter Workshop Series: Wilderness First Aid, Jan. 18 & 25, 6-7:30 p.m., Outdoor Chattanooga, Coolidge Park; free, all ages, registration not required; other workshops Thursdays through March 1. Email firstname.lastname@example.org or call 643-6888.
» Interscholastic Climbing League: Jan. 20, High Point Downtown, fourth of six meets for grades 6-12 for 2017-18 season. Contact Outdoor Chattanooga at email@example.com or 643-6888.
» Wild Trails 200 Mile Club: Encourages improved fitness; cover 200 miles in three months under one's own power, whether by running, biking, swimming, paddling, walking or other aerobic activities. Anyone interested can start at any time by registering at wildtrails.org/200-mile-club and recording his or her progress there. Getting to 200 makes one a member, and the membership card secures discounts at a variety of places. Club activities include a campout, barbecue and 15k/5k trail races every three months at Lula Lake Land Trust.