To register or for more information, contact the Spotsylvania Parks and Recreation Department at 540/507-7529 or spotsylvania.va.us/parksandrec. The Marshall Center is at 8800 Courthouse Road. Advance registration is required for most events.

Doggone Pool Party, Sept. 8, 9-11:30 a.m. Onsite registration only, must have copy of updated shot record, must be able to get along with other dogs. No owners allowed in the pool. $4-$8. Rain date is Sept. 9.

10th Annual Stonewall Jackson 20-mile Run, Oct. 6, 7:15 a.m. Registration deadline is Sept. 21. Entry fees are $55 for registration by Sept. 21, $45 after Sept. 21 and $65 race day registration. For details call 540/507-7532 or 540/507-7533.

GYMFUN, for ages 2 and older, and also intermediate and advanced.

Gymnastics, for children ages 2 and older. $50-$60. Through Oct. 25.

Tennis lessons, youth, teen and adult, $50-$60. beginning Sept. 10 and running four weeks.

CLASSES

Today's Technology for Baby Boomers and Beyond, for ages 45 and over, with classes on cellphones/smartphones, computers, GPS, email and more. Classes begin in September and run through November. Fees vary.

Senior ADF (Age Defying) Fitness, for ages 55 and over. $75.

Tabata Fitness Classes, for ages 16 and older, through Oct. 11. $75-$85 or $10 per walk in.

Ballet classes, ages 3 and over, Sept. 12-Dec. 5.

Baton Twirling Class, Sept. 10-Oct. 15, $40-$50.

AARP Driver Safety Program, Sept. 13-14, 9 a.m. to 1 p.m. $12-$14.

Zumba fitness class, at the Marshall Center, 8800 Courthouse Road, for ages 18 and older. $50 per session or $7 per class for walk-ins. Sept. 4-Oct. 11.

Ballroom dance classes, couples only. $40 per couple. Thursdays, Sept. 6-27, starter classes, 7:35-8:35 p.m. and beginner classes, 6:35-7:35 p.m.

Tang Soo Do karate for ages 7-adult.