99.1 PLR *Shamrock and Roll 5K*
Typically 30–46°F · some rain risk
See last 10 years
On this date: rain 4 of the last 10 years
2026
34–43°F
dry
2025
31–42°F
dry
2024
44–52°F
rain
2023
32–43°F
dry
2022
49–61°F
rain
2021
21–39°F
dry
2020
33–43°F
dry
2019
10–31°F
dry
2018
32–37°F
rain
2017
33–48°F
rain
Best months to race in Connecticut →
About this race
The flat 5K course runs travels starts and finishes in front of the historic New Haven Rock and Roll venue Toad’s Place.
Celebrate St. Patrick’s Day after the race at Toad’s Place with an exciting awards ceremony, costume contest, live music, food, beverages and beer for 21+!
Limited to 1500 runners.
The race benefits The Diaper Bank of Connecticut, please consider making a donation during the registration process! We will also be collecting diapers at packet pickup and on race day!
Course map
Train with a club
Run clubs near New Haven to train with before race day.
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