Arthur eventually put together schedules for people who wanted to race pretty much year round and weren't looking to peak once or twice. Here's a sample of his "race week-non race week" schedule, one for cross country and one for track:
Cross country (non-race week)
Monday: repetitions 3 × 1,500 meters or 6 × 800 meters
Tuesday: aerobic running 60-90 minutes
Wednesday: time trial 3,000 or 5,000 meters
Thursday: aerobic running 60-90 minutes
Friday: fast relaxed striding 10 × 100 meters
Saturday: time trial 3,000 or 5,000 meters
Sunday: aerobic running 60-90 minutes
Cross country (race week)
Monday: wind-sprints 6-10 × 100 meters
Tuesday: easy fartlek 30-60 minutes
Wednesday: time trial 1,500 to 2,000 meters
Thursday: fast relaxed striding 6 × 100 meters
Friday: jog 30 minutes
Saturday: race
Sunday: aerobic running 90 minutes or more
Road (non-race week)
Monday: repetitions 3 × 1,600 meters or 6 × 800 meters
Tuesday: aerobic running 90 minutes
Wednesday: time trial 3 miles
Thursday: aerobic running 90 minutes
Friday: fast relaxed striding 6-10 × 100 meters
Saturday: time trial 3 miles
Sunday: aerobic running 90 minutes or more
Road (race week)
Monday: wind-sprints 10-16 × 100 meters
Tuesday: easy fartlek 30-60 minutes
Wednesday: time trial 1 mile
Thursday: fast relaxed striding 4-6 ×100 meters
Friday: jog 30 minutes
Saturday: race
Sunday: aerobic running 90 minutes or more
You want to remember that this is a template that can be adapted for a particular runner and his/her circumstances. You don't need to follow it literally.
This has come up here before more than once. Here's a thread from a couple years ago:
https://www.letsrun.com/forum/flat_read.php?thread=8604808