Is March a good month for a 5K?
March sits in the middle of the year for the 5K, carrying 789 against 2,212 in November and 267 in August. Enough to choose from, and easier to get into than the races at the peak of the season.
Race calendar · March 2027
5K Races in March 2027
789 5K races across the US in March 2027, sorted by date. Which weekends are busiest, what the fields actually run, entry fees, and where each one starts.
March 5Ks split along a clear regional line. The South and Southwest are already into comfortable racing conditions, while the Northeast and upper Midwest can still deliver cold, gusty mornings that make pre-race warmup a strategy rather than a suggestion. That split is worth thinking about before you commit to a destination.
Daylight is recovering fast through the month, which pushes most race starts toward mid-morning and makes a March 5K feel more like a spring outing than a winter survival exercise. The calendar also leans heavily into St. Patrick's themed events, so expect more festive crowds, green costumes, and post-race celebrations than you would find in most other months.
The 3.1-mile distance means conditions that would wreck a marathon effort are mostly manageable here. Even a cold or blustery morning rarely costs more than a minute or two over such a short race. For runners just returning to outdoor training after winter, March 5Ks are a low-risk way to test fitness before committing to anything longer.
What the field actually runs
March 5K Races, By the Numbers
36:09Median finish time
18:56Median winning time
167Median field size
455March 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 March
The March Race Weekends
5K races are not spread evenly across March. 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 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 State
Florida 118Texas 78Georgia 67North Carolina 57California 55Tennessee 28New Jersey 23Ohio 23Virginia 23Missouri 21South Carolina 21Illinois 20Michigan 20Louisiana 18Pennsylvania 18Alabama 17Arizona 17Washington 14Maryland 13New York 13Oklahoma 13Colorado 11Indiana 10Kentucky 10Wisconsin 10Arkansas 8Massachusetts 7Nevada 7Iowa 6Kansas 5Connecticut 4Hawaii 4Utah 4Delaware 3Mississippi 3Oregon 3Rhode Island 3Idaho 2Maine 2Montana 2Nebraska 2New Hampshire 2New Mexico 2South Dakota 1Vermont 1
5K Runs by City in March
The Next 5K Runs in March
789 total Mon, Mar 1, 2027Run with Lily 5K & Kids Superhero Run Liberty, NCFrom $25Details Mon, Mar 1, 20272027 Pink Strides Virtual 5K Atlanta, GAFrom $5Details Thu, Mar 4, 20275K Run on the Firestone Grand Prix of St. Petersburg Track St. Petersburg, FLRegistration opens Dec 1From $40Details Fri, Mar 5, 2027Spring Hill Sun Run Fayetteville, GAFrom $25Details Sat, Mar 6, 2027Havasu Half Marathon & 5K Lake Havasu City, AZFrom $40Details Sat, Mar 6, 2027ELLPORT BORO COMMUNITY 5K ELLWOOD CITY, PARegistration opens Nov 16From $20Details Sat, Mar 6, 2027OCBA Law Day 5K - 13th Annual Orlando, FLFrom $20Details Sat, Mar 6, 20272027 Zydeco Marathon - 26.2 Full | 13.1 Half | Team Relay | 5k | 1 Mile Lafayette, LAFrom $50Details Sat, Mar 6, 2027Best Damn Race Orlando Orlando, FLFrom $40Details Sat, Mar 6, 2027The Lucky Leprechaun Half Marathon, 10 Miler, & 5K Versailles, KYFrom $40Details Sat, Mar 6, 2027The Lucky Run Pitman, NJFrom $46Details Sat, Mar 6, 2027Live Well Half Marathon, Free 5K & 1 Mile Fun Run Greenville, NCFreeDetails
Common Questions About Running a March 5K
What should I wear for a March 5K?
A light base layer plus a half-zip or wind shell handles most March mornings well. In Florida, Texas, or Southern California you may not need either by mid-month. In the Northeast or Midwest, plan for gloves and a hat at the start that you can ditch afterward. Layers you can tie around your waist beat a single heavy layer every time.
Are there St. Patrick's Day themed 5Ks in March?
Yes, and they are a defining feature of the month. Expect green bibs, costume runners, festive post-race setups, and parade-adjacent routes in many cities. If you want a purely competitive atmosphere, scan event names before registering, since themed races tend to draw a wide mix of paces and a lot of first-time participants.
How far ahead should I start training to be ready for a March 5K?
If you can already run or walk for twenty minutes without stopping, six to eight weeks of structured buildup is enough to finish a 3.1-mile race comfortably. If you are starting from scratch, give yourself a full winter of base building. A March target is actually well-timed because indoor training through January and February feeds directly into it.
Is it worth traveling to a warmer state for a March 5K?
For a 3.1-mile race, weather risk is lower than at any other distance, so travel is harder to justify purely on conditions. That said, Florida, Texas, Georgia, and the Southwest offer reliable mild mornings and dense race calendars, which gives you backup options if your first choice fills or cancels. The trip makes more sense if you pair it with a vacation.
When in March are most 5K races held?
The busiest weekend is March 13 and March 14, with 224 of them, 175 of those on Saturday, March 13. Another 16 fall on a weekday, which is worth knowing if you are traveling for one.
What is a good 5K time?
Across the 455 of these March 5K races with published results from past editions, the median finisher ran 36:09, and the median winning time was 18:56. So anything under 36:09 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 167 runners, across the 455 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 1:06:04.
Which states have the most March 5K races?
Florida has 118, Texas has 78, Georgia has 67, North Carolina has 57, California has 55. If you are willing to travel, those are the states where a March weekend gives you the most to choose from.
Are there trail 5K races in March?
Yes, 13 races around the United States get you off the pavement: 7 are trail races, and 6 mix road and trail.