Anything that isn't a long distance training shoe. Unless you're Kenyan, in which case a distance racing shoe might be acceptable.
Stilettos
Giant boots!
Sandals orflats
heels boots sandels
high heels and sandals
flip flops,crocks,and sandals are the worst shoes to ware in a marathon.
sandals
heels,boots,and punis
Crocs
high heels
WORST: High heels flip flops boots golf shoes dress shoes
Probably flip flops. Or horse shoes.