Guinness Celtic 5K
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Event overview
The Guinness Celtic 5K takes place on Sunday, March 15, 2026, in Worcester, MA. The race uses Elm Park with the start and finish located on Park Avenue near the intersection of Park Avenue and Highland Street. The event includes an in-person 5K, a kids run for children 12 and under, and a virtual 5K option. Walkers are permitted. No pets are allowed; service animals are permitted. T-shirts are not guaranteed for walk-up registrations.
Distances
- 5 km
- Kids Leprechaun Run - approx 1/4 mile (ages 12 and under)
- Virtual 5K (no medal)
Registration, fees and extras
Early registration price for the 5K is listed as $33 until December 31, 2025, with higher prices thereafter and a walk-up fee of $45 on race day. The kids run fee is lower with a separate walk-up fee of $20. Participants can register for the 5K with or without an optional Guinness Celtic 5K medal and may add a finisher's medal or a Celtic 5K beanie during registration. The race is part of the Greendale Physical Therapy Worcester Triple Crown series, a three-race 5K bundle that awards commemorative pint glasses at each race and a separate finisher's medal at the Worcester Cinco K.
Logistics and awards
Pre-race packet pickup is available at Sneakerama, 12 Lake Ave, Worcester, and packet pickup is also offered on race day near Elm Park. Virtual participants can pick up shirts at pre-race packet pickup or have shirts mailed after the race; virtual entries count toward series awards. Individual awards include top three overall and age-group winners; a team award is given to the top overall team based on chip time. Visit the organization's website for the most recent information.
