Never, never give up. Our Detroit ambassador, Sue (on the left), ran the marathon with her aunt Sue, who finished chemo 4 weeks ago.
Canadian Josh Cassidy near the top of the hill, before finishing to break the world record in the men's wheelchair race by two seconds.
How to cheer: make signs. Bring music. Scream your heart out.
Boston ambassador Wayne Levy has logged more than 93,000 miles of running in his life (to date).
To everyone who participated in the Boston Marathon this year: you inspire us. Thank you for the goosebumps.