When in September are most 5K races held?
The busiest weekend in New Jersey is September 18 and September 19, with 3 of them, 2 of those on Saturday, September 18. Every one of them is on a Saturday or a Sunday.
Race calendar · September 2027 · New Jersey
5K Races in New Jersey in September 2027
Every 5K in New Jersey in September 2027, all 7 of them, sorted by date. Dates, entry fees, finish-time stats from past results, and start-line maps.
What the field actually runs
September 5K Races, By the Numbers
34:47Median finish time
19:06Median winning time
184Median field size
4September 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 Nov 12, 2026.
When in September
The September Race Weekends
5K races are not spread evenly across September. Here is how the calendar actually falls, weekend by weekend, which is the part worth knowing before you book a trip or plan a taper around one.
By the numbers
The Biggest Field
The largest field of any September 5K in New Jersey, from the most recent published results.
New Jersey 5K Races by City in September
All 5K Runs in New Jersey in September
7 total Sun, Sep 5, 2027Run the Vineyards - William Heritage Labor Day 5K & 1 Mile Walk and 1 Mile Kids Race Mullica Hill, NJFrom $46Details Sun, Sep 12, 2027First Responders Unity 5K Waretown, NJRegistration opens Jun 1, 2027From $35Details Sat, Sep 18, 2027The Dustin Deckard Memorial 5k Run & 1 Mile Walk Pennsville, NJRegistration opens Feb 25, 2027From $25Details Sat, Sep 18, 2027Run the Vineyards - Federal Twist 10K/5K Stockton, NJFrom $46Details Sun, Sep 19, 2027Donut Stop Running 5K - Bound Brook PBA Local 380 Bound Brook, NJRegistration opens Jan 1, 2027From $40Details Sat, Sep 25, 2027North Wildwood Irish Fest 5k and 1 Mile Walk Wildwood, NJRegistration opens Aug 23, 2027From $30Details Sun, Sep 26, 2027Run the Vineyards - Down the Shore 5K Cape May, NJFrom $46Details
Common Questions About Running a September 5K in New Jersey
What is a good 5K time?
Across the 4 of these September 5K races with published results from past editions, the median finisher ran 34:47, and the median winning time was 19:06. So anything under 34:47 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 September 5K field?
The median one finished 184 runners, across the 4 of these September 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 58:41.
Are there trail 5K races in New Jersey in September?
Yes, 2 races around New Jersey get you off the pavement: 1 is a trail race, and 1 mixes road and trail.