Epiphany of Our Lord Byzantine Catholic Mission will commemorate the Feast of Saint Elias (Elijah) at a blessing of vehicles after the 10 a.m. Divine Liturgy on Sunday. Bring cars, bicycles, motorcycles or other vehicles to the Mother of God Community School, 20501 Goshen Rd., Gaithersburg. A social hour with refreshments will follow the blessing. Free. 301-482-0282 or www.montgomerybyz.org. Harriet Chapel Episcopal Church is hosting a performance by the bluegrass ensemble Six Standard Deviations, from 6 to 8:30 p.m. Saturday. There will be all-you-can-eat hot dogs and hamburgers. The church is at 12625 Catoctin Furnace Rd., Thurmont. Tickets are $5; 13 and younger, $3. The admission cost covers the meal. 301-271-4554.

St. James Episcopal Church invites the community to its festival worship service for the Feast of St. James, the patron saint of pilgrims, at 9:30 a.m. Sunday. The Very Reverend Thomas C. Chesterman will preach on behalf of Food for the Poor, a nonprofit organization that provides food, medicine, housing materials and employment help to the destitute in Caribbean and Latin American developing nations. A free brunch follows in the Parish Hall. There will also be a contemporary worship service at 6 p.m., where the Holy Eucharist will be celebrated. The church is at 11815 Seven Locks Rd., Potomac. 301-762-8040.

The Jewish Sports and Social Network will host a bike ride next Thursday on the Capital Crescent Trail. The excursion is a 15-mile, mostly flat ride along the path that replaced the old railroad line. Helmets are required. Riders will meet at 6 p.m. at the departure point, the Ourisman Honda parking lot, 4800 Bethesda Ave., Bethesda. Free. 301-881-2453.

-- Compiled by GERRI MARMER

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