Whakaotihia te rerenga e whai ake nei: I muri i nga Orimipia o te tau 1988 i kii ia ka reti ia i te maka tao, i hoki ohorere mai a Sanderson ki te whakataetae i te tau 1989, i te Whakataetae a McVitie's International, i te wa i tu ai ia ki te tuatoru. Ko ia hoki te tuatoru i te 1989 European Cup ahakoa he iti tonu te tinana. I nga Taakaro o te Commonwealth i te tau 1990, ko te maka o Sanderson he mea nui ki a ia ki te pupuri i tana taitara. I te 1990 European Athletics Championships i mutu a Sanderson i te tekau ma rua, engari i whakahoutia ki te tekau ma tahi i muri i te whakakore a Felicia Ţilea. E 35 ona tau, i toa a Sanderson i te
1991 European Cup, i mua i te papa e whakauru ana i te rangatira o te rekoata o te ao a Felke.