(KMOX) - Since 2015, the Boston Marathon has been attended by a very, very good boy.
Spencer is a gold retriever who has been supporting runners of the annual marathon through rain or shine. He went viral last year, when his owner Rich Powers shared video of him out in the cold, rainy weather still holding his flags that said "Boston Strong."
They were stationed near mile-marker two again this year, hoping to push the runners to continue on their 26.2-mile run.
© 2019 KMOX (Entercom). All rights reserved