1 / 4   Nearly ten thousand participants took part the Color Run at the Ershatou Island Sports Park in the southern Chinese city of Guangzhou on Saturday. /VCG Photo

2 / 4   Founded in March 2011, the five-kilometer race is held with no time clocked. The participants are splashed from head to toe in different colors at each kilometer. /VCG Photo

3 / 4   Dressed in white at the starting line, the runners advance to the finish line through the dreamy colored foam like a running rainbow. /VCG Photo

4 / 4   Featuring music and dancing, the run is also known as "the happiest 5k" run on the planet. /VCG Photo