4
votes
1answer
874 views

how many high intensity interval training (HIIT) schedules can/should I do per week?

I am currently training for marathons (half & full) coming up in quick successions. My best is 1 hr 44 min for a half marathon. I haven't attempted the full marathon yet. But I have got the ...
6
votes
2answers
178 views

Should I use observed max heart rate from workouts for zone training?

I commute by bicycle every day, and sometimes I use my commute for training and to improve my fitness (I wear cycling clothes and shower when I arrive, so I can push hard if needed). About a month ...