critically low level of 21cal/kgFFM/day.You can work out your energy availability by adding up the number of calories you eat during the day, as well as the number you use during exercise (most heart rate monitors have reasonably accurate calorie counters
-distance runs, so that your heart rate is not as high. Leave the long-distance and faster-paced runs until the weekend, when you have more time to recover before going to bed. – Katherine MarriottNormally, your brain secretes the sleep hormone melatonin, your
three or four runs a week, and you feel pretty good. Youre just not sure how to step it up from there. Maybe speedwork seems too complicated with all those distances to reckon with, times to record, heart rates to monitor and rest intervals to pay
sluggishness at the beginning of my long runs? • What exactly causes a reduction in resting heart rate? • Do I need a rest? • Is this tiredness a result of working hard, or over-doing it? • How hard does hard training need to be? • Routines
.”He started by devising a simple experiment with a small group of subjects who ran or bicycled for 40 minutes at 76 per cent of their maximum heart rate, and then had blood samples drawn immediately after exercising. Next the blood samples were flown to a
-miling. Just keep going at the same effort level rather than worrying about speed. A heart-rate monitor is a good way of judging effort but you can just judge how you feel too. This may mean that initially you are walking up the hill, but you will find
races and speed sessions (aerobic/anaerobic) would improve your leg speed and ability to work at higher than half-marathon race pace and heart rate. This, towards the end of your endurance training, will help to maximise your racing potential aerobically
marathon on any other date. The schedules include target paces, heart rates and session notes, and you can modify your target time and rearrange sessions to suit your goals and commitments. Our ultimate marathon schedules are a bit more detailed
get a surge of adrenaline."Libby Johnson, world-class runner30. Be patient"Expect to put in 6-10 successful speed sessions before you begin to see any effect in your races."Marc Bloom, writer31. Keep your finger on the pulse"If your resting heart
