Race calendar · July 2027
137 half marathons across the US in July 2027, sorted by date. Which weekends are busiest, what the fields actually run, entry fees, and where each one starts.
July 13.1s are summer racing at its most demanding. Heat and humidity define the experience across much of the country, and the calendar reflects that: runners who line up in July are usually committed to the season, not looking for a personal best. Early start times, shade, and course elevation matter more than splits.
The spread of races tells its own story. Mountain and northern states offer genuinely cooler mornings, while the South and Gulf Coast present a different kind of challenge entirely. If you are choosing a July 13.1 by weather, elevation and latitude are the two levers worth pulling.
July also sits at an awkward point in most training cycles. Spring race seasons have wrapped, fall build seasons have not fully begun, and a summer half often serves as a fitness check or a goal in its own right rather than a tune-up. Know which role it is playing before you enter.
What the field actually runs
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 July
Half marathons are not spread evenly across July. 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 July half marathons that stand out on the numbers: the biggest field, and the longest unbroken run of editions.
It is a lean month for the Half Marathon. July carries 137, against 376 in April and 102 in August, the quietest. A July race is worth planning around rather than picking late, because the one that fits your training block may be the only one within reach.
Prioritize moisture-wicking, light-colored fabrics and as little coverage as possible. A hat or visor and UV-blocking sunscreen matter more than in any other racing season. Expect to feel hotter than your pace suggests and dress for conditions at mile ten, not at the start line.
Higher elevation and northern latitudes are your best shelter from July heat. Colorado, Montana, and the Pacific Northwest tend to offer cooler morning temperatures than the South or Midwest. Coastal California mornings can also stay mild well into the race, especially where marine fog lingers.
A standard half marathon build runs roughly twelve to sixteen weeks, which puts a January or February start on the calendar for a late July race. Factor in that summer training itself carries extra stress: heat slows workouts, so leave room in the plan for effort-based runs rather than pace targets.
It depends on where you travel to. A July race in a mountain town or a northern coastal city can be a genuinely rewarding travel weekend, with scenery and weather both working in your favor. A trip to a flat, exposed course in a hot state is a harder sell unless the event itself is the point.
The busiest weekend is July 10 and July 11, with 39 of them, 26 of those on Saturday, July 10. Every one of them is on a Saturday or a Sunday.
Across the 92 of these July half marathons with published results from past editions, the median finisher ran 2:17:19, and the median winning time was 1:33:25. So anything under 2:17:19 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.
The median one finished 39 runners, across the 92 of these July half marathons 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 3:20:50.
Florida has 15, Texas has 14, California has 12, North Carolina has 10, Kentucky has 6. If you are willing to travel, those are the states where a July weekend gives you the most to choose from.
Yes, 6 races around the United States get you off the pavement: 4 are trail races, and 2 mix road and trail.
