When he was laid off from the mill in late 1980 , he began running full - time .
Due to work demands and disappointment at the 1980 boycott , Cummings came close to retiring altogether from running .
When Cummings was laid off from the mill in late 1980 , Cummings began running full - time .
Due to work demands and disappointment at the 1980 boycott , Cummings came close to retiring altogether from running .