Weather
Climate Avg| Time | Temp | Dew Pt | Humidity | Wind | Conditions |
|---|---|---|---|---|---|
| Start | 40.6 – 53.2°F | 45° Ideal | 88 – 94% | 6 mph NE | Partly cloudy |
| 8:00 AM | 44.5 – 54.7°F | 44° Ideal | 78 – 90% | 6 mph E | Clear sky |
| Finish | 49.8 – 49.8°F | 37° Crisp | 61 – 61% | 2 mph S | Clear sky |
Based on 3-year average for this date. Real forecast available in 260 days.
Elevation Profile
Course Stats
Mile Splits
| Mile | Grade |
|---|---|
| 1 | -0.1% |
| 2 | +0.0% |
| 3 | +0.0% |
| 4 | +0.1% |
| 5 | -0.1% |
| 6 | +0.0% |
| 7 | +0.1% |
| 8 | +0.5% |
| 9 | +0.4% |
| 10 | -0.8% |
| 11 | -0.1% |
| 12 | -0.1% |
| 13 | +0.0% |
| 14 | +0.0% |
RM Difficulty Index
Race-Day Weather History
Race-morning conditions on this date over the past 5 years: median 48°F with a 39°F dew point and 6 mph wind. Heat has rarely been a factor.
| Year | Temp | Dew Pt | Wind | Rain | Sky |
|---|---|---|---|---|---|
| 2025 | 48°F | 38°F | 1 mph | — | Clear |
| 2024 | 48°F | 44°F | 13 mph | — | Drizzle |
| 2023 | 52°F | 32°F | 14 mph | — | Drizzle |
| 2021 | 49°F | 39°F | 6 mph | — | Partly cloudy |
| 2020 | 44°F | 42°F | 6 mph | 0.06" | Drizzle |
Morning conditions (race window) on the Jersey City Half Marathon calendar date each year, from the ERA5 reanalysis archive — the race’s usual slot, not necessarily each edition’s exact day.
Jersey City Half Marathon Pace Calculator & Race Plan
The Jersey City Half is a flat, fast course along the NJ waterfront with views of the Manhattan skyline. 46 meters of gain makes this one of the flattest half marathons on the East Coast. April weather is usually good for running.
If you're chasing a half marathon PR in the NYC area, this is a strong option. Our splits give you a clean plan for the flat terrain.
Jersey City Half Marathon FAQ
When is the next Jersey City Half Marathon?›
The next Jersey City Half Marathon is on Sunday, April 18, 2027.
How long is the Jersey City Half Marathon?›
The Jersey City Half Marathon is 13.1 miles (21.097 km), the standard half marathon distance. It runs in Jersey City, NJ.
How much elevation gain does the Jersey City Half Marathon have?›
The Jersey City Half Marathon has about 149 ft (46 m) of climbing and 152 ft of descent, with a maximum grade of 4.4%.
Is the Jersey City Half Marathon flat, downhill, or hilly?›
The Jersey City Half Marathon starts and finishes at roughly the same elevation (net -1 m). With 149 ft of total climbing along the way, it's a fast, flat course.
How hard is the Jersey City Half Marathon?›
Runner's Math scores the Jersey City Half Marathon 31/100 (Moderate) — #14 of 16 half marathons in our library, ranked by modeled time cost. The profile costs about 0:13 versus a flat course for a runner at 4:00-marathon pace.
What's the weather usually like at the Jersey City Half Marathon?›
Over the past 5 years on this date, median race-morning conditions were 48°F with a 39°F dew point and 6 mph wind. Heat has rarely been a factor.