Hi Eric, iv followed the 100mile training plan now for 3 seasons with good results, most sessions obviously based on HR, however iv always been unsure of how the HR relates to the approach come race day. My question to you is come race day should i be attempting to keep my HR low/with a certain limit for a specified period? i was thinking of trying to focus on keeping it under 150bpm for the first 60-70k or so, although this is pure guess work. This is not talked about in the book or training plan as far as i know.

Come race day (100 miles) last year i went out far too hard and blow up at about 75k, so needing to avoid this again.

Any tips much appreciated.


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