Catoctin Crescent Association 5K Run/Walk. Support the Loudoun County Volunteer Rescue Squad by running or walking the W&OD trail. Rewards for biggest team and best finishers in the overall run and in age categories, plus a raffle drawing. To register, visit onthecrescent.org/5k. $25. 9 a.m. Saturday. Douglass School, 407 E Market St., Leesburg.
Bachelorette Casting Call. ABC7 is holding the only DC-area casting call for the summer reality show staple in Leesburg this year. For ages 21 and over. 1 p.m. Saturday. Village at Leesburg, 1601 Village Market Blvd. SE, Suite 100.
Skating Send Off. The Ashburn Ice House will be hosting a South Atlantic Qualifying Send Off for local ice skaters who will be competing in North Carolina. "Get ready to see some jumps, spins, lifts, twizzles and more!" Free. 3:30 p.m. 21595 Smith Switch Road, Ashburn.