Imagine a crisp, sunny morning at Bedford’s Falling Creek Park with an excited crowd gathered at the starting line, buzzing with energy. Participants of all ages are dressed in white, ready to transform into living canvases. As the race begins, runners and walkers alike charge forward, grinning from ear to ear. Along the course, volunteers armed with colorful powder wait eagerly at multiple color stations. As runners pass through, they're showered with vibrant clouds of blue, pink, yellow, and …