BOSTON MARATHON
What: 121st running of the world's oldest annually contested marathon.
When: Monday (Patriots' Day).
TV: NBCSN will have coverage from 7:30 a.m. to noon.
2015 winners: Men, Lemi Berhanu Hayle, Ethiopia, 2:12:45; women, Atsede Baysa, Ethiopia, 2:29:19.
Website: baa.org