Steve Ferri of Arlington has had quite a holiday week-the former 4:11.5 mile, 9:00.1 two-mile high school runner at O'Connell, now a college soph, (1) transferred from Georgetown to George Mason and (2) found out that the ache he had been carrying in his heel since August stemmed not from tendinitis but from an imbedded half-inch nail. "It slowed me to some degree," Ferri allowed, "but what a surprise when I got X-rayed last Wednesday I go around barefoot in the summer, at camp in Pennsylvania, and that apparently was where I picked it up."

Ferri, hampered by mononucleosis as a Hoya freshman, has time to heal the heel for GMU-isn't eligible again for varsity action until January 1980. But "I ought to be up and running within a month," he offers now that the rusty nail has been exorcised.

Mal Campbell never left Maryland basketball broadcasting after all. While Tim Brant carries on over WMAL-630, Campbell has worked on Terp men's game on WJLA-TV-7 with Mike Patrick-and Friday-Saturday, live from the Orange Bowl Classic over WTOP-1500, bringing you play-by-play on Terrapin women's games, guess who'll be thanking you for your time?

Tommorrow evening, Joe Branzell and his Federal Storage baseball alumni reune for the 32nd consecutive year, at Dir Walter Raleigh Inn in Georgetown. Silver anniversary honors to the 1954 Washington Boys Club team cakptained by Phil Perlo.

Can't let the passing of Northern Virginia's own baseball great George McQuinn, covered today in The Post obituary pages, go without mention in the sports section. He was a great one.