There are all kinds of good golden nuggets in Megan’s response! You can tell Megan has some very solid experience under her belt.
Carbs/calories: Considering whole food options on the bike; minimizing simple sugars (gels/blocks), review the packaging for nutritional information of options; nutrition timing (shifting from whole foods to simple sugars with ~1 hour left on the bike so not to feel full or cause GI issues on the run); proper race (and training) preparation (open packages, break into pieces, etc) so it’s readily available and easy to intake
Hydration/electrolytes: Weather considerations, sweat needs
As you can see, there are lots of variables to be constantly juggling. So let’s keep digging in.
What have others been practicing (and you should be for any workout longer than 90 minutes)?