The race kicks off at 9:32 a.m., with the elite women start. The elite men and first of three waves follow at 10:00 a.m. Here are your options for watching it:
On TV: The race will be televised live locally in Boston on WBZ-TV (Channel 4). Universal Sports will have coverage from 9:30 am to 12:30 p.m. If you don't know if you get Universal Sports, go to their website and enter your zip code in the box on the right side of the page.
Online: Universalsports.com will have a live stream, although they are charging $4.99 to watch it. WBZ-TV's website, cbsboston.com, will also have live streaming coverage, but your computer's server must be within New England to be able to access it.
To track your family and friends:
You can get your runner's race splits every 5K on the Boston Marathon website. The AT&T Athlete Alert will send subscribers text messages or email alerts when your runner reaches the following points: start, 10K, half marathon, 30K, and finish . Just make sure you have your runner's bib number when you register.