Dentsville League spring registration: For boys and girls ages 6-18, baseball and softball leagues at North Springs and Polo Road Parks. www.dybsl.com
Palmetto Storm Showcase teams: Players age 15-17. (803) 477-5225 or (803) 665-8948.
Hoop-ology 101 Basketball Camp: Today-Thursday for boys ages 5-18 at the Eau Claire High Gym, 4800 Monticello Road. Cost: $100. (803) 546-0354; www.hoop-ology.com
Eastover Diamonds Youth Foodball: Applications are being accepted for Pop Warner Football and Cheer at Eastover Park. (803) 353-7137.
Youth Football and Cheerleading registration: 1-5 p.m. Saturday, Lexington Sports Complex, 501 Ball Park Road. Football players ages 8-13 and cheerleaders ages 5-13. Bring a birth certificate. (803) 356-3439.
Ultimate Frisbee: Recreational coed league for ages 16 and older. All experience levels welcome. columbiaultimate.org
EXF500 Challenge: The Drew Wellness Center, 2101 Walker Solomon Way. Community members are invited to walk the indoor track today to meet the challenge of walking 500 miles. City of Columbia Parks and Recreation Summer campers will participate in the challenge at 10:45 a.m. (803) 250-3690.
Group Soccer Training: Palmetto Player Development offers training sessions throughout the summer at Heathwood Hall Episcopal School and additional locations. (803) 609-0362; www.palmettoplayerdevelopment.com
Rhett Davis Memorial Tennis Tournament: Concludes today at the Cobblestone Park Tennis Facility, Blythewood. (803) 714-2631; cobblestonetennis.com