Registration is open for 207Lacrosse’s middle school elite league, which will be held Sundays from Sept. 8 to Oct. 20 at the Riverside Athletic Center in Portland. The 7-on-7 full-field games will have rotating times of 1, 2 and 3 p.m.

Registration is also open for 207Lacrosse’s other fall programs for players from kindergarten through grade 12. For more information or to register, visit

The Megunticook Rowing Regatta will be Sept. 8 on Megunticook Lake in Camden.

The event features races of three and 10 miles, both of which start from Barrett’s Cove at 8:30 a.m. For more information, visit

The Portland Middle School hockey program will hold registration for the 2013-14 season from 4 to 6 p.m. Sept. 15 at Portland Ice Arena. The program is open to all Portland residents in grades 5 to 8. For more information, contact Chris Harmon at 749-6511.