Is the race cancelled if it rains?

No, the race proceeds rain or shine.

Are there t-shirts for all participants?

Dri-fit t-shirts are available for the first 250 registered runners.

How are the race results provided?

The race uses chip timing, and results are available on your phone at http://www.BESTrace.com/mobile immediately after finishing.

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Coach Mike O'Brien Memorial 5K St. Patrick's Day Run

Saturday, March 13, 2027Denville, NJ5K

The St. Patrick's Day 5K returns to Denville, NJ, to honor the legacy of beloved coach Mike O'Brien. This USATF-certified course welcomes everyone from seasoned athletes to novices looking for a community-focused event. Held at the Morris Catholic High School campus, the race supports both school scholarships and the Denville Public Assistance Fund. Participants can expect a well-organized event featuring chip timing and a post-race celebration with refreshments. Whether you are chasing a personal best or simply enjoying a morning run, this event offers a meaningful way to give back to the local community. Join fellow runners and alumni for this spirited tradition that runs rain or shine.