Riley Howard of Anchorage had never run the fabled Boston Marathon before Monday.
Now no Alaskan resident has ever run faster there.
Buoyed by a huge crowd on the Patriots’ Day Holiday, the Service High School graduate sped from Hopkinton to Boylston Street in Boston in 2 hours, 22 minutes and 24 seconds — a pace of 5 minutes, 26 seconds per mile. That placed the 27-year-old 58th in the men’s division…