iffyy, The 80-20 percentages that you state are way off. My time allotment in an average week for XC is maybe 50% teaching, 20% coaching admin., 30% practice / meet time in roughly a 55 hour week. For track Id' say 50% teaching, 25% coaching admin., 25% practice / meet time in a 60-70 hour week. To your numbers- overall, I spend about an equal amount of time doing "track administration" of entries, results, meet prep, equipment, checking grades, athletes' injuries, college admission, etc...
For others the numbers may be different and certainly for an assistant coach there is far less track administration.
-Adam Kedge, Albuquerque Academy