The Marathon is close enough now that the extended weather report is available.
Action 462 - Prepare For The Heat.
Oh, man. The high for the day is 80 degrees. For someone who has been training in cool San Diego weather, this is going to be tough. I need to sort out now how I will handle the heat.
Extra water all week long. Plan to stop at every water station. And carry my new water bottle with me. It's going to be hot, but I'll be ready.