Portman, Joyce USA

3/5/1958 (USA)


1981 21/09/1981 Atlanta USA 250 O 1
1981 04/05/1981 Perugia ITA 250 S 4
1981 06/04/1981 Hilton Head USA 500 Q 4
1981 26/01/1981 Roanoke USA 250 O 1
1980 04/08/1980 Indianapolis USA 500 O 2