Calvert County Fair

Fair season in Southern Maryland ends this weekend with the Calvert County Fair. Besides the traditional salute to the county's rural and agricultural heritage, this year's fair, which runs through Sunday, has a number of special attractions to celebrate the 350th anniversary of Calvert County. Among them is a U.S. Postal Service Special Commemorative Cancellation, available to all fair-goers at the Postal Service Mobile Unit display each day of the fair. The annual 4-H livestock auction will begin at 5 p.m. Saturday at the livestock barn. Carnival rides, demonstrations, live entertainment, food vendors and games are featured throughout the fair. Today is Senior Citizen and Handicapped Day at the fair from 9 a.m.-3 p.m., with free admission and lunch. Carnival rides open at 5 p.m. today for the general public. Tomorrow is Student Day from 9 a.m.-4 p.m., with all residents 17 and younger admitted free, and all rides are one ticket until 4 p.m. Hours for the fair are 9 a.m.-9 p.m. today; 9 a.m.-10 p.m. tomorrow and Saturday; and 10 a.m.-6 p.m. Sunday. Regular admission is adults, $5; ages 11 and younger, free. Calvert County Fair, Route 231 east, Barstow. 410-535-0026 or www.calvertcountyfair.com.

Amish 100 Cycling Tour

The St. Mary's College of Maryland women's basketball team, Patuxent Velo and the Patuxent Area Cycling Enthusiasts host the 15th Annual Amish 100 Cycling Tour, which takes participants on a scenic ride through St. Mary's County. The event starts and ends at the college waterfront and offers four courses of differing lengths -- 100, 72, 48 or 28 miles. Rolling starts begin between 7 and 10 a.m., with those selecting the 100 mile-course departing at 9 a.m. Riders will have the opportunity to visit historic sites along the way. Advance registration is available at $25 for adults and $15 for children 12 and younger. Day-of-tour registration fees are $30 for adults and $20 for 12 and younger. All riders receive an event T-shirt. A post-ride barbecue buffet is an additional $10. St. Mary's College of Maryland, St. Mary's City. 240-895-4323 or www.smcm.edu.

Bluegrass at DAV Benefit

The 2nd annual Disabled American Veterans Bluegrass and Bull Roast begins at 1 p.m. Saturday, with the music going until 8 p.m. Bands from Southern Maryland, the District, Pennsylvania and northern Maryland provide traditional bluegrass and vocal harmonies throughout the day, rain or shine.

Performers include: at 1 p.m., Jack Sanbower and No Leeway Band of Hagerstown; 2 p.m., Sally Ann and Shady Mile of Southern Maryland.; 3 p.m., Ernie Bradley and Grassy Ridge from Frederick; 4 p.m., The Satyr Hill Band from Washington; 5 p.m., Ramblin' Heart, from Pennsylvania; 6 p.m., Orange Line Special, from Washington; and 7 p.m., Waitin' On a Train, from Pennsylvania. Bring a lawn chair and blankets. Food and beverage vendors will be on-site. Concert will move indoors in the event of inclement weather. This benefit marks the final American Legion Post 238-sponsored event at the post's current location, which is in the path of the Hughesville Bypass project. The legion will move to routes 231 and 381. Tickets are $10, available the day of the event. American Legion Post 238, Route 231, Hughesville. 301-737-3004 or 301-274-3522.

Kayla Gross, Zachary Keisu, Jacob Pesetsky and Bridgette Dove thrill to the Sea Ray ride at the Calvert County Fair.