I believe you'll develop speed via strength work which includes hill running, either repeats, or running hilly courses as the Kenyans do on a steady basis
Bill RodgersI also feel it usually takes four or five races to hit your best marathon for your body to be accustomed to the training AND the race itself.
Bill RodgersTo be a consistent winner means preparing not just one day, one month or even one year - but for a lifetime.
Bill Rodgers