She was a surprise unknown, has no sponsors. She also graduated with a 4.0 while running for track and field at college. This race qualifies her for the Olympic trials. Go Sarah Sellers!
Sarah Sellers: Virtual unknown shakes up the Boston Marathon with a second-place finish - CNN
"Since she also has a full-time job, training either happens at 8 p.m. or 4 a.m. In September, she ran her first marathon in Huntsville, Utah, which she won
and set a course record."