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

The Guinness Celtic 5k is a fun Irish race (as always, walkers are welcome!) in Worcester, MA, before the Annual St Patrick's Day Parade. Watch the parade after the race from the beer garden at the finish line.

The Guinness Celtic 5K registration is available WITH or WITHOUT a Guinness Celtic 5K medal. Please note, this medal is for the Guinness Celtic 5K only and is separate from the Worcester Triple Crown Finisher's Medal detailed below in our new 3 Race Bundle. 

Looking for an extra challenge? Join us for the Inaugural Greendale Physical Therapy Worcester Triple Crown, a 3-Race 5K series that celebrates some of the most fun holidays of the year, including the Worcester Jingle 5K on December 6, 2026, the Guinness Celtic 5K on March 14th, 2027, and concluding with the Worcester Cinco (5)K on Sunday, May 2, 2027)

Participants in the full Triple Crown will score a Finisher’s Medal at the finish line of the Worcester Cinco K. Please note, this medal is SEPARATE from the Guinness Celtic 5K medal that is an optional add-on for the Guinness Celtic 5K registration. 

To register for the Greendale Physical Therapy Worcester Triple Crown, simply select the 3-Race bundle on any of the race registration sites!

Date: Sunday, March 14, 2027.
Start: Celtic 5k start time: 11:00 a.m. Kids Leprechaun Run start time: 10:30am (ages 12 and under on race day) Kids distance approximately 1/4 mile. Parents may run with their kids.

Location: Elm Park, 284 Highland St, Worcester, MA 01602. Note: The race start and finish are located on Park Avenue near the intersection of Park Avenue and Highland Street.

T-Shirts are not guaranteed for walk up registrations on race day.

No pets allowed. Service animals are permitted.

$34 to 12/31/2026
$36 1/1/2027 to 1/31/2027
$38 2/1/2027 to 3/14/2027

*Online registration closes Saturday, March 13 at 8:00 p.m. Sorry no refund and no pets allowed.

*Race day walk up registration is $45

Kids Leprechaun Run 
$15 to 12/31/26
$16 1/1/2027 - 1/31/2027 
$17 2/1/2027 - 3/14/2027

Pre-Race Packet Pickup #1
Friday March 12th
Noon to 5pm
Sneakerama, 12 Lake Ave, Worcester, MA

Pre-Race Packet Pickup #2 
Saturday, March 13th 
10am to 5pm
Sneakerama, 12 Lake Ave, Worcester, MA

Race Day Packet Pickup
Sunday, March 14th, 2027

Park Ave (next to Elm Park)
Worcester, MA
9:00am – 11am

Walk up Entry Fee // 5K: $45

Walk up Entry Fee // Kids Run (12 and under): $20

Please note, t-shirts are not guaranteed for walk up registrations on race day. 

If you are participating in the race virtually, we encourage you to pick up your race shirt from us at a Pre-Race Packet Pickup if you are able to. If you cannot make it, we will mail your shirt to the address provided on RunSignUp AFTER race day. 

To submit your virtual results, you will head to RunRhody.com and select "Result" from the top navigation menu. From there, select correct year and the race name, which will bring you to the results page. You will click a button on the top of the page that says "SUBMIT VIRTUAL RESULTS" to submit your time. 

Virtual participation DOES count toward any of our race series, including the Run Rhody Grand Slam, the Greendale Physical Therapy Worcester Triple Crown, and the Tour de Patrick series. 

If you have any questions about participating virtually, please email us at help@runrhody.com. 

Individual Awards

Top 3 Overall 

Winners (Under 19)
Winners (age 20-29)
Winners (age 30-39)
Winners (age 40-49)
Winners (age 50-59)
Winners (age 60-69)
Winners (age 70+)

Team Award
Prize will be awarded to the top overall team. 
Top 3 score based on chip time. 
No limit on Team size. 
Online entry for Teams only. 

Join fellow runners on March 14, 2027 for the Guinness Celtic 5K (Race 2 Greendale Physical Therapy Worcester Triple Crown). It's a fantastic 5K, 1K featuring a flat and fast course in Worcester.