The experts include American authors Hal Higdon, Jeff Galloway, John Bingham, and Roger Robinson.
American runners Bill Rodgers, Frank Shorter, Nina Kuscsik, Kathrine Switzer, Mary Wittenberg, and Rod Dixon are also interviewed.
Ylenia and her husband own a small running shop in Milan, and with revenues decreasing due to competition, she finds escape in marathon training.
Mimmo runs with another partner, but eventually has to pull out of the race due to a nagging ankle injury, while Domenico finishes in 4:19:57, 10th in his age group.
Her enthusiasm cheers up some runners (including one man who promises to marry her, in Italian), while others view her with annoyance; she finishes in 5:14:36, well behind her Boston qualifying time, set two weeks after her father's death.
Vasyl runs with the lead pack for the first 35 kilometres (22 miles), but eventually falls back and finishes a disappointing 12th with a time of 2:16:47, not qualifying for the Olympic team.
After the race, Vasyl marries his long-time girlfriend, Olga, and begins training in the hopes of representing the Ukraine in the 2016 Summer Olympics in Rio de Janeiro.