1971 - A crowd shot (from the CMU Archives)

1971 - A crowd shot on Hill 2 (from the CMU Archives)

1971 - A PhiKap brother on the course (from the CMU Archives)

1971 - BSR A's Duck gets pushed from Hill 3 to Hill 4 in Prelims Heat 9 (from the CMU Archives)

1971 - BSR A's Duck gets pushed from Hill 3 to Hill 4 in Prelims Heat 9 (from the CMU Archives)

1971 - BSR A's Duck gets pushed up Hill 3 in Prelims Heat 9 (from the CMU Archives)

1971 - CIA A's 6E on the sidewalk (courtesy of Frank Robb)

1971 - CIA A's 6E on the sidewalk (courtesy of Frank Robb)

1971 - CIA A pushes 6E across the Finish Line (courtesy of Frank Robb)

1971 - CIA A pushes 6E up Hill 5 (courtesy of Frank Robb)

1971 - Crowd shot of Hill 3 (courtesy of Frank Robb)

1971 - DTD A's Bitch II gets pushed up Hill 2 in Men's Prelims Heat 4 (from the CMU Archives)

1971 - DU A's Pipe Dream II crosses the finish line just ahead of Fringe B's Baby Leroy in Men's Prelims Heat 6 (from the CMU Archives)

1971 - Freeroll of Prelims Heat 4, with PiKA A's Pi-Thon leading (left), TDP B's Black Widow in 2nd, and DTD A's Bitch II trailing (courtesy of Frank Robb)

1971 - Fringe B's Baby Leroy gets pushed up Hill 1 (from the CMU Archives)

1971 - Fringe B's Baby Leroy gets pushed up the back hills in Men's Prelims Heat 6 (courtesy of Frank Robb)

1971 - Fringe B's Baby Leroy gets ready to race at the Starting Line (from the CMU Archives)

1971 - Hill 1 of Prelims Heat 2, with SigNu B's Bob McIntyre pushing Brother Rat, driven by Steve Freeman, in Lane 3 (right). Men's Dorms A in Lane 2 (middle), and ATO A's Golden Goose in Lane 1 (left). Credit: Larry Barto

1971 - Hill 2 of Men's Prelims Heat 4, with PiKA A's Pi-Thon in Lane 3 (right), TDP B's Black Widow in Lane 2 (middle), and DTD A's Bitch II in Lane 1 (left, far background) (from the CMU Archives)