"2024 Boston Marathon: Live Updates, Celebrities, and Livestream Options"

The 128th Boston Marathon is underway, with live coverage available on WMUR-TV and WMUR.com. The race features professional men's and women's wheelchair athletes, with a flyover and appearances by grand marshal Rob Gronkowski. The event coincides with One Boston Day, honoring the 2013 bombing victims. The weather is favorable, and fundraising efforts for Families in Transition are ongoing, led by WMUR's Sean McDonald and Marissa Tansino participating in the race.