First road race 1983 aged 22 was ten miler 63 mins, four months later first marathon 3-36 did ten more over next three years, quickest was 3-20, best time for half was1-23 in 1984. Last road was 1987. Did none till 2011 managed local off road marathon in 4-15 was knackered but enjoyed it far more than any of the others. Time was erelevant just glad I can still do/enjoy it. Much better off road better on knees hips etc. good luck, enjoy!