Registration began on Feb. 2 for Loudoun County adult spring sports leagues.

Sponsored by the Loudoun County Department of Parks, Recreation and Community Services, the new leagues for 2011 include kickball and ultimate frisbee.

The registration deadlines (and fees) are due on March 4 for flag football, church softball and softball (men’s and coed); March 11 for Cricket and Soccer; March 18 for kickball; March 25 for ultimate frisbee and May 27 for women’s fast pitch softball.

For registration information, fees, and forms, visit http://www.loudoun.gov/adultsports or call 703-777-0343.