Practicing carb loading
For reference I am training for my marathon using the Hal Higdon Novice 2 plan.
I have never carb loaded before so that’s something I want to practice before race week. I’ll be doing a 3 day carb load starting Thursday for a Sunday race day.
My question: At what distance long runs should I start practicing the carb loading? My 29km, 31km and 33km long runs? Those will be my longest 3 runs.