Sat, Mar 13, 2027

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

Denville, NJ

Opens Jan 19, 2027Annual since at least 2015

Entry is $35 now and rises to $40 after Mar 3, 2027, so registering before then saves $5.

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

The course is USATF-certified and starts on the Morris Catholic High School campus. It is a St. Patrick's Day-themed race held in memory of a coach who spent his career at the school coaching cross-country and track, and who started the original version of this run. Age-group awards are part of the race, and the proceeds support school scholarships and a local public assistance fund.

Bib pickup is inside the school cafeteria, near the soccer field at the back of campus, and opens well before the start. Parking is on campus, with overflow available on nearby streets; signs guide you in. Chip timing is used for results.

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Finish-Time Stats

Going by the 2026 results, this is a small, friendly field, with a competitive front end and a big recreational middle.

5K · 2026 results

216finishers

17:21winner

32:46median

59:44cutoff

Top 3: CHRISTOPHER POPE (17:21) · KATE MCANDREW (18:39) · SEAN FEENEY (19:06)

The Coach Mike O'Brien Memorial 5K St. Patrick's Day Run has been held every year since at least 2015. That is as far back as RunSignup's records for this race go, so it may well be older.

Where Would You Finish?

Enter a finish time to see where it lands against the most recent 5K results.

Median

See how your time stacks up nationally →

How we calculate these stats: RunSesh calculates these figures from the most recent published results of past editions, sourced from RunSignup. We show aggregates only: field size, winning and median times, and the cutoff. We never publish individual finisher tables. Last updated Jul 27, 2026.

Distances & Start Times

5K3/13/2027 09:00$35

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Common Questions About the Coach Mike O'Brien Memorial 5K St. Patrick's Day Run

Will I finish last at the Coach Mike O'Brien Memorial 5K St. Patrick's Day Run?

Almost certainly not. Half the 5K field finished slower than 32:46, and the last recorded finisher came in around 59:44, so there is a long tail of runners behind the middle of the pack. Most fields are far slower than people expect.

Is the Coach Mike O'Brien Memorial 5K St. Patrick's Day Run a good first 5K?

A field of 216 is big enough that you will have company at your pace without feeling lost in a crowd. There is no qualifying time, and the finish-time spread above shows how varied the field really is. If it is your first 5K, that spread matters more than the winner's time.

How competitive is the Coach Mike O'Brien Memorial 5K St. Patrick's Day Run?

The 5K winner ran 17:21 while the median finisher took 32:46. That spread points to a mixed field, with a competitive front and a big recreational middle.