. >> reporter: in 1967, catherine switzer was a junior at syracuse university. because syracuse had no women's track team she began training with the manager of the men's team. a part-time mailman named arnie briggs. >> it was arnie who teld me about the greatest day in his life every year which was the boston marathon. we were out running. arnie began telling me another boston marathon story. i said, oh, arnie, i want you to quit talking about the darned marathon and run it. my dream then became to prove that i could run 26 miles, 385 yards. >> reporter: for 70 years the boston marathon had excluded women. but switzer entered using just her initials. >> we walked to the start and the gun went off. down the street we went. so there we were, arnie briggs, the 50-year-old mailman and me the 20-year-old college student. my boyfriend tom miller, the ex-all american football player. when other runners would come by, they would say, it's a girl. they were so excited. and all of a sudden the press truck is in front of us. they're taking, you know, pictures of us. the r