For the second consecutive year, runners of the Boston Marathon will have to battle the elements.
The 2019 Boston Marathon kicks off Monday with heavy rain and even some scattered thunderstorms in the forecast. The good news: The most severe weather is expected to dissipate by 9 a.m. ET in Hopkinton, Mass., where runners of the 123rd Boston Marathon begin their 26.2-mile journey to Boston's Boylston Street.
This year's group will feature several notable names, including 2018 women's champion Des Linden, former New England Patriots linebacker Tedy Bruschi and NASCAR driver Jimmie Johnson.
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Here are the expected start times for each group, weather permitting (all times Eastern):
Men's Wheelchair: 9:02 a.m.
Women's Wheelchair: 9:04 a.m.
Handcycles & Duos: 9:25 a.m.
Elite Women: 9:32 a.m.
Elite Men: 10:00 a.m.
Wave One: 10:02 a.m.
Wave Two: 10:25 a.m.
Wave Three: 10:50 a.m.
Wave Four: 11:15 a.m.
You can catch all the action live on NBC Sports, which will broadcast a race live stream in addition to a "Finish Line Cam" stationed on Boylston Street.
Here's how to watch the 123rd Boston Marathon online:
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