Graves brought his prosthetic legs to the finish line .
Cnossen said he could n't have done the Birkie without the help of Eve Graves of Duluth , whom he stayed with during his short stay .
Eve Graves brought Cnossen 's prosthetic legs to the finish line .
Cnossen said he could n't have done the Birkie without the help of Eve Graves of Duluth , whom he stayed with during his short stay .