This is one of the better marathons in the US. Race preview here:
And it's got live streaming via the local station in Hawaii. Stream starts at 07:00 Pacific or 10:00 Eastern.
https://twitter.com/HNLmarathon/status/939723942293417984
Toni Reavis is on broadcast and his preview is here:
https://tonireavis.com/2017/12/09/champions-clash-in-honolulu/