Weather
Climate Avg| Time | Temp | Dew Pt | Humidity | Wind | Conditions |
|---|---|---|---|---|---|
| Start | 50 – 53.2°F | 46° Ideal | 68 – 94% | 9 mph N | Clear sky |
| 8:00 AM | 52.2 – 55.4°F | 46° Ideal | 64 – 91% | 10 mph N | Clear sky |
| Finish | 54.1 – 57.2°F | 47° Ideal | 60 – 86% | 11 mph N | Partly cloudy |
Based on 3-year average for this date. Real forecast available in 302 days.
Elevation Profile
Course Stats
Mile Splits
| Mile | Grade |
|---|---|
| 1 | +1.0% |
| 2 | -0.4% |
| 3 | -1.0% |
| 4 | +0.5% |
| 5 | -0.1% |
| 6 | -0.1% |
| 7 | +0.3% |
| 8 | +0.3% |
| 9 | +0.1% |
| 10 | -0.8% |
| 11 | -0.5% |
| 12 | +0.1% |
| 13 | +0.7% |
| 14 | +0.7% |
RM Difficulty Index
Race-Day Weather History
Race-morning conditions on this date over the past 8 years: median 63°F with a 55°F dew point and 8 mph wind. 5 of 8 years were warm enough to slow race pace.
| Year | Temp | Dew Pt | Wind | Rain | Sky |
|---|---|---|---|---|---|
| 2025 | 55°F | 52°F | 11 mph | — | Partly cloudy |
| 2024 | 56°F | 46°F | 9 mph | — | Clear |
| 2023 | 68°F | 54°F | 7 mph | — | Clear |
| 2022 | 69°F | 60°F | 7 mph | — | Partly cloudy |
| 2020 | 58°F | 53°F | 7 mph | 0.09" | Rain |
| 2018 | 75°F | 65°F | 3 mph | — | Partly cloudy |
| 2017 | 61°F | 55°F | 8 mph | — | Drizzle |
| 2016 | 65°F | 61°F | 9 mph | — | Partly cloudy |
Morning conditions (race window) on the Buffalo Half Marathon calendar date each year, from the ERA5 reanalysis archive — the race’s usual slot, not necessarily each edition’s exact day.
Buffalo Half Marathon Pace Calculator & Race Plan
The Buffalo Half runs along the waterfront and through Delaware Park on a mostly flat course with 88 meters of gain. Late May weather in Buffalo is usually comfortable for running.
A solid, no-nonsense half marathon course. Our splits give you a clean plan for the gentle terrain.
Buffalo Half Marathon FAQ
When is the next Buffalo Half Marathon?›
The next Buffalo Half Marathon is on Sunday, May 30, 2027.
How long is the Buffalo Half Marathon?›
The Buffalo Half Marathon is 13.1 miles (21.097 km), the standard half marathon distance. It runs in Buffalo, NY.
How much elevation gain does the Buffalo Half Marathon have?›
The Buffalo Half Marathon has about 287 ft (88 m) of climbing and 279 ft of descent, with a maximum grade of 1.01%.
Is the Buffalo Half Marathon flat, downhill, or hilly?›
The Buffalo Half Marathon starts and finishes at roughly the same elevation (net +3 m). With 287 ft of total climbing along the way, it's a fast, flat course.
How hard is the Buffalo Half Marathon?›
Runner's Math scores the Buffalo Half Marathon 37/100 (Moderate) — #8 of 16 half marathons in our library, ranked by modeled time cost. The profile costs about 0:27 versus a flat course for a runner at 4:00-marathon pace.
What's the weather usually like at the Buffalo Half Marathon?›
Over the past 8 years on this date, median race-morning conditions were 63°F with a 55°F dew point and 8 mph wind. 5 of 8 years were warm enough to slow race pace.