Weather
Climate Avg| Time | Temp | Dew Pt | Humidity | Wind | Conditions |
|---|---|---|---|---|---|
| Start | 44.4 – 44.4°F | 41° Ideal | 88 – 88% | 12 mph NW | Partly cloudy |
| 8:00 AM | 44.4 – 44.4°F | 41° Ideal | 86 – 86% | 11 mph NW | Partly cloudy |
| Finish | 45.1 – 45.6°F | 41° Ideal | 86 – 86% | 6 mph W | Partly cloudy |
Based on 3-year average for this date. Real forecast available in 112 days.
Elevation Profile
Course Stats
Mile Splits
| Mile | Grade |
|---|---|
| 1 | +0.3% |
| 2 | -0.3% |
| 3 | -0.3% |
| 4 | -0.1% |
| 5 | +0.4% |
| 6 | +0.2% |
| 7 | -0.1% |
| 8 | +0.7% |
| 9 | -0.3% |
| 10 | +1.1% |
| 11 | +0.0% |
| 12 | -1.7% |
| 13 | +0.6% |
| 14 | -0.4% |
RM Difficulty Index
Race-Day Weather History
Race-morning conditions on this date over the past 5 years: median 41°F with a 35°F dew point and 5 mph wind. Heat has rarely been a factor.
| Year | Temp | Dew Pt | Wind | Rain | Sky |
|---|---|---|---|---|---|
| 2025 | 45°F | 41°F | 2 mph | — | Partly cloudy |
| 2023 | 35°F | 28°F | 9 mph | — | Partly cloudy |
| 2020 | 49°F | 40°F | 5 mph | — | Partly cloudy |
| 2019 | 41°F | 35°F | 5 mph | — | Clear |
| 2016 | 36°F | 19°F | 15 mph | — | Partly cloudy |
Morning conditions (race window) on the Philadelphia Half Marathon calendar date each year, from the ERA5 reanalysis archive — the race’s usual slot, not necessarily each edition’s exact day.
Philly Half Marathon Pace Calculator & Race Plan
The Philly Half Marathon runs alongside the Schuylkill River and through Fairmount Park on a scenic course with 104 meters of elevation gain. The rolling terrain through the park keeps your legs working, but the overall profile is manageable for runners targeting a fast half marathon time. The course is part of the Philadelphia Marathon weekend, sharing the same finish area near the Art Museum steps.
Late November weather in Philadelphia is usually cool and ideal for fast running, with temperatures typically in the 40s. The Philly Half Marathon draws a strong field of runners looking to close out their fall racing season. Our splits account for the rolling hills through the park and the river section, giving you a realistic effort-based plan for the conditions.
Philadelphia Half Marathon FAQ
When is the next Philadelphia Half Marathon?›
The next Philadelphia Half Marathon is on Saturday, November 21, 2026.
How long is the Philadelphia Half Marathon?›
The Philadelphia Half Marathon is 13.1 miles (21.097 km), the standard half marathon distance. It runs in Philadelphia, PA.
How much elevation gain does the Philadelphia Half Marathon have?›
The Philadelphia Half Marathon has about 341 ft (104 m) of climbing and 325 ft of descent, with a maximum grade of 6.1%.
Is the Philadelphia Half Marathon flat, downhill, or hilly?›
The Philadelphia Half Marathon starts and finishes at roughly the same elevation (net +6 m). With 341 ft of total climbing along the way, the profile rolls even though the net change is small.
How hard is the Philadelphia Half Marathon?›
Runner's Math scores the Philadelphia Half Marathon 39/100 (Moderate) — #6 of 16 half marathons in our library, ranked by modeled time cost. The profile costs about 0:33 versus a flat course for a runner at 4:00-marathon pace.
What's the weather usually like at the Philadelphia Half Marathon?›
Over the past 5 years on this date, median race-morning conditions were 41°F with a 35°F dew point and 5 mph wind. Heat has rarely been a factor.