BASEBALL
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.
Dixie Youth Baseball (City of Columbia): Ages 9-10, 11-12, $20 per participant; registration ends today. (803) 545-3100
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Softball (City of Columbia): Mens and coed, $300 per team; register by March 2. (803) 545-3100
T-ball and coaches pitch (City of Columbia): T-ball ages 4-6, coaches pitch ages 7-8, $20 per participant; register by March 23. (803) 545-3100
RUNNING
Columbia SC Marathon: Marathon, half marathon, 10K and kids marathon, 7:15 a.m. March 10, Columbia Metropolitan Convention Center, 1101 Lincoln St. www.columbiascmarathon.com
SOCCER
Child and Parent Soccer Clinic: Clinic for ages 4-14 and their parents hosted by the USC Mens soccer team and coaches, 10 a.m,-3 p.m. Saturday, USC Outdoor Soccer Complex, Stone Stadium 1300 Whaley St. $35 per child, $25 for each additional sibling. Proceeds benefit Childrens Chance. (803) 254-5996; www.childrenschance.org
TENNIS
Junior Tennis League: Summer tennis program for 6-12th graders. Register by May 4. (803) 951-1888; www.juniortennisleague.org
Cayce Tennis and Fitness Center: Programs for beginner, novice and advanced players, After-School Tennis Club, private lessons. 1120 Fort Congaree Trail, Cayce. (803) 227-3030.
SWIMMING
Carolina Aquatics Swim Club: Non-competitive youth swimming programs including swim school, youth fitness and summer league tune-up programs at Columbia College. Summer League Tune-Up, Jan. 30-April 30. (303) 895-0467; www.carolina-aquatics.com.
MISCELLANEOUS
Kickball (City of Columbia): Mens and coed, $300 per team. Register by Feb. 29. (803) 545-3100