When in March are most 5K races held?
The busiest weekend in New Jersey is March 20 and March 21, with 7 5K races on those two days, and the single busiest day is Saturday, March 20 with 6. Every one of them is on a Saturday or a Sunday.
Race calendar · March 2027 · New Jersey
March 2027 5K Races in New Jersey
Every 5K in New Jersey in March 2027, all 18 of them, sorted by date. Dates, entry fees, finish-time stats from past results, and start-line maps.
18 5K races in March 2027
What the field actually runs
March 5K Races, By the Numbers
31:19Median finish time
16:12Median winning time
279Median field size
7March 5K races with published results
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 Sep 22, 2026.
When in March
The March Race Weekends
5K races do not spread evenly across March. The busiest weekend is March 20 and March 21, with 7 of them.
By the numbers
The Biggest and Longest-Running
The March 5K races that stand out on the numbers: the biggest field, and the longest unbroken run of editions.
March 5K Races by City
Soonest 5K Races in March
18 total Sat, Mar 6, 2027The Lucky Run Pitman, NJFrom $32Details Sun, Mar 7, 2027International Women's Day Run Ridgefield Park, NJFrom $30Details Sat, Mar 13, 2027St. Pat's Boardwalk 10 miler & 5k run Atlantic City, NJRegistration opens Oct 12From $30Details Sat, Mar 13, 2027Coach Mike O'Brien Memorial 5K St. Patrick's Day Run Denville, NJRegistration opens Jan 19, 2027From $35Details Sat, Mar 13, 2027MidJersey Orthopaedics Run O' the Mill 5K Clinton, NJRegistration opens Oct 3From $35Details Sat, Mar 13, 20272027 St. Paddy's Day 5k Morristown, NJFrom $24Details Sat, Mar 20, 20272027 Shamrock Shuffle B'ville Bernardsville, NJRegistration opens Jan 1, 2027From $20Details Sat, Mar 20, 2027Bordentown St. Patrick's Day 5k and Fun Walk Bordentown, NJFrom $35Details Sat, Mar 20, 2027Sunrise Marathon 5K/10K/13.1 NEW JERSEY Camden, NJFrom $30Register Sat, Mar 20, 2027Sunrise Marathon 5K/10K/13.1 PHILADELPHIA Camden, NJFrom $30Register Sat, Mar 20, 2027St. Paddy's Day Lucky Run 5K/10K/13.1 NEW JERSEY Camden, NJFrom $30Register Sat, Mar 20, 2027St. Paddy's Day Lucky Run 5K/10K/13.1 PHILADELPHIA Camden, NJFrom $30Register
Common Questions About Running a March 5K in New Jersey
When should I sign up for a March 5K?
As early as you can. 8 of these March 5K races already have a price increase on the calendar, and 14 are open for entry right now. Another 4 have published an opening date and have not opened yet.
How much does a March 5K cost to enter?
The typical entry is $30, with paid entries running from $10 up to $35. Entry fees climb as race day gets closer, so the same race is usually cheapest the week it opens.
What is a good 5K time?
Across the 7 of these March 5K races with published results from past editions, the median finisher ran 31:19, and the median winning time was 16:12. So anything under 31:19 puts you in the faster half of a typical field. That is the middle of these RunSignup fields, walkers and charity entrants included, not a national average.
How big is a typical March 5K field?
The median one finished 279 runners, across the 7 of these March 5K races with published results from past editions. Most are far smaller than the big-city events people picture, which means less crowding at the start and a friendlier field, with a last recorded finisher at 59:44.
5K Races in Other Months
February and April sit either side of March, which is where most people look next when a date does not fit.