Races Half marathon · New Haven, USA
New Haven Road Race Half Marathon
New Haven Road Race Half Marathon is a flat half marathon in New Haven, USA, held each September. The loop starts on the New Haven Green and passes Yale, East Rock Park and the Westville neighbourhood before returning to the Green. The organiser describes all its courses as flat and fast. Early September in New Haven is usually warm and humid, with morning temperatures of about 17 to 27°C. On a course as flat as New Haven Road Race Half Marathon, even splits are everything; the classic mistake is banking time in the first third.
Page rebuilt 2026-11-14 · race facts not independently verified — confirm dates and entries on the official race site
When
September
next: Monday 6 September 2027
Course
flat
Half marathon
Conditions
Early September in New Haven is usually warm and humid, with morning temperatures of about 17 to 27°C.
Racing this course well
The loop starts on the New Haven Green and passes Yale, East Rock Park and the Westville neighbourhood before returning to the Green. The organiser describes all its courses as flat and fast.
On a course as flat as New Haven Road Race Half Marathon, even splits are everything; the classic mistake is banking time in the first third.
Getting a place
- How you get in
- Open entry: first come, first served
- Price
- $51.88 including fees, rising after 30 November 2026 (2027 race)
- Places
- 5,500 runners
Official New Haven Road Race Half Marathon site →Checked November 2026
Race day
- Next race
- Monday 6 September 2027
- Start time
- 08:30
- Also on the day
- 20k, 5k
The course in numbers
The route passes the New Haven Green at mile 7 and goes by Yale and East Rock Park.
Worth knowing
- The race is held on Labor Day and doubles as the USATF 20K National Championship.
- The 2026 race was the 50th edition.
Pick your goal for New Haven
Pace charts, weekly structure and timelines for the most common half marathon goals:
The date shown is the one the organiser has announced. Change it if yours differs.
Build your training around New Haven Road Race Half Marathon.
RunV works backwards from race day to today. Your plan adapts when life interrupts, and you approve every change. It does not adapt to this specific course — the pacing guidance above is where the course knowledge is.
Everything above stays free and complete — this is an optional next step, not a paywall.
Asked often
- When is the New Haven Road Race Half Marathon?
- The next New Haven Road Race Half Marathon is on Monday 6 September 2027 in New Haven, USA. It is held each September.
- Is the New Haven Road Race Half Marathon course flat?
- The loop starts on the New Haven Green and passes Yale, East Rock Park and the Westville neighbourhood before returning to the Green. The organiser describes all its courses as flat and fast.
- How do I enter the New Haven Road Race Half Marathon?
- Open entry: first come, first served. Price: $51.88 including fees, rising after 30 November 2026 (2027 race).
- How should I train for the New Haven Road Race Half Marathon?
- Train specifically for New Haven — terrain, conditions, goal pace — and let the plan flex around real life. With RunV Premium you can adapt your plan to fit your week.
Not sure what to target? Predict your half marathon time from a recent race →
More half marathon races
Supplements research for this distance
Build for New Haven — around your actual life
RunV engineers your block backwards from race day in September — and adapts it when training doesn't go to script. You approve every change.
