Sanderson akawanawo menduru dzendarama mukukanda nepfumo paMitambo yeCommonwealth mitatu (1978, 1986 uye 1990) uye pa 1992 IAAF World Cup. Akanga ari mumhanyi wechipiri pa 1978 European Athletics Championships
, uye vakakwikwidza mumakwikwi matatu epasi rose (1983, 1987, uye 1997). Akanga ari AAAs National Champion kagumi, UK National Champion katatu. Akaisa gumi UK mukuru zvinyorwa uye shanu Commonwealth zvinyorwa ari pfumo, uyewo zvinyorwa zvose mudiki uye vanatenzi mumatunhu.