Rearranging the letters of 'Boston Marathon' (Foot race held every April in Boston, MA) gives:
Moths on oat bran.
(by Tim Scapillato by hand) (1998)
Other related anagrams without their own page:
"The Boston Marathon blasts" -> "Bombs trash on that last one." (by Aronas Pinchas ) (2013) (pending approval)
"The Boston marathon bombers" -> "Most mean brothers. O, nab both!" (by Aronas Pinchas ) (2013) (pending approval)
"Boston Marathon bombing suspect on the cover of Rolling Stone" -> "Tsarnaev photo chosen in oblong front becomes most troubling." (by Aronas Pinchas ) (2013) (pending approval)
"The Boston Marathon bombing '" -> "Intent - 'Trash-h! Bang! Boom! Boom!'" (by Aronas Pinchas ) (2013) (pending approval)