20K US Ranking  by Track and Field News

1992
      9th - 1:29:57
1990
      3rd - 1:28:21
1989
      4th - 1:28:22
1988
      3rd - 1:31:12
1986
      7th - 1:30:43t
1985
      2nd - 1:28:40
1984
      1st - 1:25:13
1983
      2nd - 1:27:07
1982
      3rd - 1:25:30
1981
      4th - 1:26:40
1980
      1st - 1:26:51
1979
      7th - 1:32:22
1978
      5th - 1:34:11

50K US Ranking  by Track and Field News

1998
      6th - 4:20:13
1997
      4th - 4:16:59
1996
      4th - 4:10:45
1995
      4th - 4:11:31
1992
      3rd - 4:09:44
1991
      2nd - 4:04:46
1990
      2nd - 4:16:28
1988
      1st - 3:56:55
1987
      1st - 3:57:43
1986
      1st - 4:05:56
1985
      1st - 4:11:03
1984
      1st - 4:02:25
1983
      8th - 4:15:56
1982
      1st - 4:03:13
1981
      1st - 4:07:44
1980
      1st - 4:00:30
1979
      5th - 4:10:33
1978
      3rd - 4:24:05