AUBURN – More than 500 runners and walkers have registered for the L-A Bridge Run, the final round of the Greater L-A Triple Crown 5K Series presented by Maine Orthopaedic Foundation. The event will take place Sunday, Aug. 28 at 9 a.m., starting at the Rollodrome.

Registration is $20 per person and is available through the event website — www.triplecrown5k.com. Online registration will close Wednesday, Aug. 24 and race day registration will begin at 7:15 a.m.

The L-A Bridge Run will feature prize drawings, food, refreshments, music and awards to the top three finishers in nine age categories. The USA Track & Field certified course will begin and end on Riverside Drive in Auburn. It is moderately flat and includes a handful of bridges connecting the Twin Cities.

The Auburn Firefighters Local 797 Kids’ Fun Run will precede the 5K at 8:15 a.m. The run is free to all youngsters and registrations will be accepted on the day of the event.

The Triple Crown Series, now in its fourth year, continues to set registration records, drawing a combined 1,864 entries in 2010. The June 11 YMCA Fit Fest drew a race record 607 entries and Emily’s Run set a series record with 667 registrants on July 24. A new green initiative promotes the recycling of water bottles, food compost, cardboard and clean paper.

Funds raised through the series will benefit community programs including various Auburn-Lewiston YMCA youth offerings; the Fletcher Foundation, which provides two college scholarships to ELHS students along with a donation to the Auburn Public Library; and the Bridge Run Foundation, which promotes a health conscious community, presents local teenagers with scholarships for outdoor activities and provides a venue to bring people together, making our community a better place to live, work and play.

There are still plenty of volunteer opportunities available including setup, course monitor and cleanup. For more information, please visit www.triplecrown5k.com.

Gymnastics open house

RUMFORD — There will be an open house at the Greater Rumford Community Center on Tuesday, August 30 and Wednesday, August 31 from 4 to 7 p.m. Sign ups will be taken for the gymnastics 2011-12 season. Come and meet with the coaches, get time schedules and prices, and pick up calendars. If you cannot make it, call Louanne at 357-3636 and leave a message or sign up with the GRCC 369-9906.

Youth softball tryouts

SOUTH PORTLAND — The Southern Maine Flame softball program will be conducting tryouts for the 2012sSeason. The team competes throughout New England and has won 4 New England championships, 15 state championships and 38 other titles since 2000.

A $100 deposit is required at tryouts. Deposits are refunded if not selected to a team).

U14 and U16 tryouts are Sunday, August 28 at Wainwright Fields off Highland Ave., South Portland, at 5:30 p.m. For more information, email [email protected].