I had knee pain when I bend my knees, couldn’t go away until I stopped running for almost 1 week, then the pain disappeared. Happened because I did intervals during the rain on wet surface.
Run on weekends - that’s 2 days
The other 3 days just spread evenly throughout the weekdays.
If your partner also runs, then that’s a bonus. Otherwise, just have to find pockets of time to run.
That’s enough actually, I coached a friend to run HM on 3 running days a week and also chasing performance.
I find morning runs to be the best suited for performance since races are usually in the morning but have to sleep early.
Evening runs less suited for performance but can afford to sleep later.
I found a balance where I run evening on weekdays and morning on weekends.
100k/week, you definitely need a lot more strength training and recovery to manage, which is the irony of it. I have friends that run 100k/week and got injured because lack of recovery and strength training.
Either not enough sleep (<7hr) or strength training (0 gym) or both.
I found seasonal training to be the best for HM/M, especially with pfitz plans. I am doing the 18/55 plan now and there’s occasional deload weeks, it peaks out at 88km, but that is only for 1 week. The other weeks are shorter in volume. It’s possible to go for 18/70 plan, which peaks at 110km week. The average of the 18 weeks is slightly <100km (97k). Once the season ends, take a break and cross train.