Originally Posted by
jcivic00
There's a good talk by Dr. Stephen Finney where he goes into the information behind nutritional ketosis and performance, apparently it was a group of collegiate cyclists that they tested on. It's a good listen, and you might get a few good takeaways. Youtube link:
https://www.youtube.com/watch?v=GkQYZ6FbsmI
The main takeaway is that they focus on 65% v02max, ie zone 2 cycling. There is a reason for that. The penalty for going anaerobic for extended periods on ketogenic diets is pronounced.