Guinness Celtic 5K (Race 2 Greendale Physical Therapy Worcester Triple Crown) 2027

The Guinness Celtic 5K is a March road race in Worcester, Massachusetts. It is Race 2 of the Greendale Physical Therapy Worcester Triple Crown. Runners can choose the main 5K or a shorter 1K. Registration starts at $15. The race begins on Park Ave in Worcester, offering a city-road course. The 5K is the primary event, while the 1K is available for children, walkers, or those preferring a shorter distance within the same race day.