Portland Half Marathon
Portland, United States of America · Monday 5 October 2026
The Portland Half Marathon is a scenic race that takes place in the vibrant city of Portland, Oregon. The course showcases the city’s urban parks, including the Washington Park, as well as the iconic Willamette River. Participants will run through tree-lined streets, past historic landmarks, and through beautiful neighborhoods, all while enjoying views of the surrounding mountains. The course is mostly flat, making it accessible for both beginners and experienced runners.
Difficulty Calculator
h
:m
:s
Adjusted Time
1:44:47
Time difference: -0.2 minutes compared to a flat, road, temperate course.
Course Details
Elevation Gain101m
Elevation High106m
Elevation Low15m
Weather Forecast
High19°C
Low11°C
Chance of Rain1%
How hard is Portland Half Marathon?
Moderateharder than 34% of half marathons
Flattest / easiestHardest
On our difficulty model, Portland Half Marathon plays about 1 minute slower than an average road half marathon for a 1:30 runner. It ranks #298 hardest of 450 half marathons we analyse, and #101 of 145 in United States of America. Use the calculator above to see the exact adjusted time for your own goal pace.
What will you run at Portland Half Marathon?
Estimated finish times on this course versus the same effort on an average road half marathon, based on its elevation, surface, and expected race-day temperature.
| Average-course time | On Portland Half Marathon | Difference |
|---|---|---|
| 1:30:00 | 1:29:25 | −00:35 |
| 1:45:00 | 1:44:47 | −00:13 |
| 2:00:00 | 2:00:10 | +00:10 |
| 2:15:00 | 2:15:35 | +00:35 |
| 2:30:00 | 2:31:01 | +01:01 |
| 2:45:00 | 2:46:28 | +01:28 |
| 3:00:00 | 3:01:57 | +01:57 |
Use the calculator above for your exact goal time. Want a prediction from your own training? Try the marathon time predictor.
Portland Half Marathon 2026 Course Analysis
Portland Half Marathon is a half marathon held in Portland, United States of America. It is scheduled for Monday 5 October 2026. The course is run on road surface with 101m of total climbing, with its high point near 106m above sea level. For registration and full race details, visit the official Portland Half Marathon website.
Elevation Profile
With 101m of total climbing, this is a gently undulating course. The elevation changes are manageable for most runners and shouldn't greatly affect your pacing.
Expected Race Day Weather
Based on historical weather data for October, the expected race day conditions are as follows. Near-ideal running temperatures are expected, ranging from 11°C to 19°C. This temperature range is widely considered optimal for marathon performance, allowing efficient heat dissipation without cold-related issues. There is a low chance of rain (1%), so dry conditions are likely.
Surface Type: Road
Portland Half Marathon is run on road surfaces, which provide the fastest and most predictable conditions for racing. Road courses allow for consistent pacing and are typically the best choice for a personal best.
Looking for an easier marathon or a tougher challenge? You can also compare Portland Half Marathon against other half marathons to find the right race for your goals.
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