Tecumseh, Ont., runner uses Detroit Free Press Marathon streak to mark his family's growth
Mark Gryn has run the race 20 consecutive times and his wife has been taking photos of him, and his growing family, since he completed his first one in 2004.
Mark Gryn has run the race 20 consecutive times and his wife has been taking photos of him, and his growing family, since he completed his first one in 2004.
